| 单词 | 哺乳动物 |
| 释义 | DEFINITIVE EXAMPLES 权威例句〔ALL/EVERYTHING〕All mammals are warm-blooded. 所有哺乳动物都是温血动物。朗文写作活用〔AND/ALSO〕Several rare South American mammals escaped from the zoo, not to mention a three-metre-long python. 几只南美珍稀哺乳动物从动物园逃走了，更糟的是还有一条3米长的蟒蛇也逃走了。朗文写作活用〔amniote〕Any of a group of vertebrates that have an amnion during embryonic development, including reptiles, birds, and mammals.脊椎动物，羊膜动物：任一种在胚胎发育期间有羊膜的脊椎动物，包括爬行动物、鸟类和哺乳动物美国传统〔anestrus〕An interval of sexual inactivity between two periods of estrus in mammals that breed cyclically.非求偶期，不动情期：周期繁殖的哺乳动物在两个求偶期之间的不动情期美国传统〔aplacental〕Having no placenta, as marsupials and monotremes.无胎盘的：无胎盘的，如有袋目哺乳动物和单孔目动物美国传统〔appear〕When did mammals appear on the earth? 地球上的哺乳动物起源于何时？牛津高阶〔basilar membrane〕A membranous portion of the cochlea in the mammalian inner ear that supports the organ of Corti.基膜：哺乳动物内耳的耳蜗的膜状部分，它可支撑外皮器官美国传统〔beard〕A hairy or hairlike growth such as that on or near the face of certain mammals.颌毛：某些哺乳动物脸上或脸周围生长的毛或毛状物美国传统〔beast〕An animal other than a human being, especially a large four-footed mammal.兽：动物而非人类，尤指体型大的四足哺乳动物美国传统〔belong among〕Whales belong among the mammals.鲸属于哺乳动物。21世纪英汉〔be〕Apes are mammals.猿是哺乳动物。韦氏高阶〔blubber〕The thick layer of fat between the skin and the muscle layers of whales and other marine mammals, from which an oil is obtained.鲸脂：鲸和其它海洋哺乳动物的表皮层肌肉层之间的厚层，含有油脂美国传统〔brown fat〕A dark-colored, mitochondrion-rich adipose tissue in many mammals that generates heat to regulate body temperature, especially in hibernating animals.肩胛间腺：很多哺乳动物身上深色的、富含线粒体的脂肪组织，可产生热量以调节体温，尤指在冬眠动物体内美国传统〔buttock〕The analogous part of the body on certain mammals.屁股：某种哺乳动物身体上功能相似的部分美国传统〔call〕Human beings belong to a large group of animals called “mammals.” 人类属于“哺乳动物”这样一个大的动物种群。韦氏高阶〔cannon bone〕A supporting bone of the leg in some hoofed mammals, analogous to the metacarpus of the hand or the metatarsus of the foot in human beings.炮骨，管骨：某些哺乳动物的腿部起支撑作用的骨头，相当于人类手中的掌骨或足部的跖骨美国传统〔cannon〕Zoology The section of the lower leg in some hoofed mammals between the hock or knee and the fetlock, containing the cannon bone.【动物学】 炮骨，管骨：某些有蹄哺乳动物小腿的部分，位于跗关节或膝关节与球关节之间，含有炮骨美国传统〔carnivore〕Any of various predatory, flesh-eating mammals of the order Carnivora, including the dogs, cats, bears, weasels, hyenas, and raccoons.食肉动物：食肉目各种食肉性哺乳动物的一种，包括狗、猫、熊、鼬、鬣狗以及浣熊美国传统〔cetology〕The zoology of whales and related aquatic mammals.鲸（类）学：研究鲸和与其有亲缘关系的水生哺乳动物的动物学美国传统〔chiropteran〕A mammal, such as the bat, that is a member of the order Chiroptera and has forelimbs modified as wings.翼手目动物：如蝙蝠等属于翼手目的哺乳动物，其前翼进化成翅膀美国传统〔civet〕The thick, yellowish, musky fluid secreted by one of these mammals, used in the manufacture of perfumes.香猫香，麝猫香：这些哺乳动物分泌的粘稠、黄色有麝香味的液体，用于香水的制作美国传统〔claw〕A sharp, curved nail on the toe of a mammal, reptile, or bird.爪：哺乳动物、爬行动物或鸟脚趾上的尖锐、弯曲的指甲美国传统〔cloaca〕The common cavity into which the intestinal, genital, and urinary tracts open in vertebrates such as fish, reptiles, birds, and some primitive mammals.泄殖腔：脊椎动物（如鱼、爬行动物、鸟和某些低级哺乳动物）的肠道、生殖道和泌尿道口通往的共用体腔美国传统〔confine〕These small mammals are generally confined to the south of the island.这些小型哺乳动物一般只出没于该岛南部。牛津搭配〔coracoid〕A bony process projecting from the scapula toward the sternum in mammals.肩突：哺乳动物从肩板向胸骨凸出的骨状突起美国传统〔cotyledon〕Anatomy One of the lobules constituting the uterine side of the mammalian placenta, consisting mainly of a rounded mass of villi.【解剖学】 绒毛叶：组成哺乳动物胎盘的子宫边的小叶之一，主要由团装绒毛组成美国传统〔creodont〕Any of various extinct carnivorous mammals of the suborder Creodonta, of the Paleocene Epoch to the Pliocene Epoch.肉齿类哺乳动物：任一种从古新世到上新世之间的属于肉齿亚目的多种现已灭绝的食肉哺乳动物美国传统〔dewclaw〕A vestigial digit or claw not reaching the ground and found on the feet of certain mammals.上爪，残留趾：退化的足趾或在一些哺乳动物脚上发现的不接触地面的爪美国传统〔dorsal fin〕The main fin located on the back of fishes and certain marine mammals.背鳍：鱼或一些海洋哺乳动物背部主要的鳍美国传统〔emerge〕Sea mammals must emerge periodically to breathe.海生哺乳动物必须不断地浮现出海面呼吸美国传统〔eutherian〕Of or belonging to the infraclass Eutheria, a division of mammals to which all the placental mammals belong.真哺乳亚纲的：关于或属于哺乳动物真兽亚纲的一个下纲，包括有胎盘哺乳动物美国传统〔evolve〕Mammals evolved from reptiles.哺乳动物是从爬行动物进化而来的。英汉大词典〔expert〕He's a world expert on marine mammals.他是研究海洋哺乳动物方面的世界性权威。朗文当代〔fallopian tube〕Either of a pair of slender ducts through which ova pass from the ovaries to the uterus in the female reproductive system of human beings and higher mammals.输卵管：人以及高等哺乳动物的雌性生殖系统的一对纤细的管子之一，通过它将卵从卵巢传递至子宫美国传统〔fall〕Whales fall under the class of mammals.鲸归入哺乳动物纲。英汉大词典〔feed on/upon〕Owls feed on insects, birds, and small mammals.猫头鹰以昆虫、鸟类和小型哺乳动物为食。韦氏高阶〔fissiped〕A carnivorous mammal, such as a bear, dog, or cat, that has such toes.裂足动物：熊、狗或猫等有这种脚趾的食肉类哺乳动物美国传统〔fissiped〕Having the toes separated from one another, as in the feet of certain carnivorous mammals.裂足的：如某些食肉类哺乳动物的脚各脚趾分裂开的美国传统〔flight〕Bats are the only mammals to have achieved sustained flight.蝙蝠是唯一能持续飞行的哺乳动物。牛津搭配〔flying〕The bat is a flying mammal.蝙蝠是会飞的哺乳动物美国传统〔fur〕A coating similar to the pelt of a mammal.皮子：象哺乳动物毛皮的覆盖层美国传统〔fur〕The hair-covered, dressed pelt of such a mammal, used in the making of garments and as trimming or decoration.毛皮：用于制造衣服和做镶制或装饰品的带毛的上述哺乳动物的皮美国传统〔fur〕The thick coat of soft hair covering the skin of a mammal, such as a fox or beaver.软毛：覆盖于如狐狸或海狸等哺乳动物身上的厚厚的毛美国传统〔guard hair〕Any of the long coarse hairs forming a layer that covers and protects the soft underfur of certain mammals.针毛：某些哺乳动物身上覆盖的保护底绒毛的一层长而粗糙的毛美国传统〔hair〕Any of the cylindrical, keratinized, often pigmented filaments characteristically growing from the epidermis of a mammal.毛发：哺乳动物特有的，生长于表皮的柱状、有角质而且通常含有色素的细丝美国传统〔herbivorous〕Mammoths were herbivorous mammals.猛犸是食草性哺乳动物。外研社新世纪〔hog〕Any of various mammals of the family Suidae, which includes the domesticated pig as well as wild species, such as the boar and the wart hog.猪：猪科动物的各类哺乳动物，包括家养猪及野猪和疣猪等野生猪美国传统〔homeotherm〕An organism, such as a mammal or bird, having a body temperature that is constant and largely independent of the temperature of its surroundings; an endotherm.恒温动物：一种体温恒常且不受外界温度影响的生物体，象哺乳动物或鸟；恒温动物美国传统〔ivory〕A similar substance forming the tusks or teeth of certain other mammals, such as the walrus.牙齿成分：形成象牙或某些哺乳动物牙齿的类似物质，如海象美国传统〔lytta〕A thin cartilaginous strip on the underside of the tongue of certain carnivorous mammals, such as dogs.舌下软骨带：在某种食肉哺乳动物舌下边的一条薄薄的软骨带美国传统〔mammalian〕The disease can spread from one mammalian species to another.这种疾病可以在不同种类的哺乳动物间传播。外研社新世纪〔mammal〕Human beings, dogs, and cats are all mammals.人类、狗和猫都是哺乳动物。韦氏高阶〔maturity〕Humans experience a delayed maturity; we arrive at all stages of life later than other mammals.人类发育较缓——在生命的各个阶段，我们都晚于其他哺乳动物。柯林斯高阶〔milk〕To draw milk from the teat or udder of (a female mammal).挤奶：从（雌性哺乳动物）的乳头或乳房中挤奶美国传统〔monestrous〕Having one estrous cycle per year. Used of certain mammals.雌雄同体的：每年有一次发情期的。用于某些哺乳动物美国传统〔monogamous〕The prairie vole is a sociable creature, one of 3% of mammal species that appear to form monogamous relationships.橙腹田鼠是一种群居动物, 是3%似乎具有一雄一雌关系的哺乳动物之一。外研社新世纪〔musteline〕Of, relating to, or belonging to Mustelidae, the family of fur-bearing mammals that includes the badger, mink, otter, and weasel.鼬科的：属于或有关于鼬科的，鼬科包括獾、水貂、水獭和黄鼠狼等产毛皮哺乳动物美国传统〔niche〕Mammals moved into the niche left vacant by the disappearance of the dinosaurs.哺乳动物填补了恐龙消失后留下来的空间。牛津搭配〔non-profit〕We are a non-profit organization dedicated to the conservation of ocean mammals.我们是一家致力于保护海洋哺乳动物的非营利性机构。剑桥高阶〔oncornavirus〕Any of a group of viruses that contain single-stranded RNA and produce tumors in birds and mammals.致肿瘤RNA病毒：一种包含着单一成分的RNA并在鸟和哺乳动物中产生肿瘤的病毒美国传统〔optic lobe〕Either of two lobes of the dorsal part of the mesencephalon, containing primary visual centers.视（神经）叶：哺乳动物背部的两视叶之一，包括主要的视神经中枢美国传统〔palm〕The similar part of the forefoot of a quadruped.前掌：低等哺乳动物前足与人的手掌相似的部分美国传统〔peccary〕Any of several piglike hoofed mammals of the family Tayassuidae, found in North, Central, and South America and having long, dark, dense bristles.西趪：一种西趪科的像猪的有蹄哺乳动物，见于北美、中美和南美地区，具有又长又黑的浓密鬃毛美国传统〔penis〕The male organ of copulation in higher vertebrates, homologous with the clitoris. In mammals, it also serves as the male organ of urinary excretion.阴茎：高等脊椎动物与阴蒂相对应在雄性哺乳动物里的雄性性交器官， 也作为排尿器官美国传统〔pig〕The edible parts of one of these mammals.猪肉：这种哺乳动物的可食用部分美国传统〔placenta〕An organ with similar functions in some nonmammalian animals, such as certain sharks and reptiles.（类似的）胎盘：在一些非哺乳动物身上有类似功能的器官，如某种鲨鱼和蛇美国传统〔pleura〕A thin serous membrane in mammals that envelops each lung and folds back to make a lining for the chest cavity.胸膜：哺乳动物体中包覆每一个肺脏且向后折叠形成胸腔的血浆薄膜美国传统〔proestrus〕The period immediately before estrus in most female mammals, characterized by development of the endometrium and ovarian follicles.发情前期：大多数雌性哺乳动物发情期前准备期，其特点是子宫内膜和囊状卵泡发育美国传统〔raccoon〕The fur of this mammal.浣熊皮毛：这种哺乳动物的皮毛美国传统〔reticulum〕Zoology The second compartment of the stomach of ruminant mammals, lined with a membrane having honeycombed ridges.【动物学】 蜂窝胃：反刍哺乳动物胃的第二隔室，衬有一层有蜂巢状突起的膜美国传统〔sciurid〕Of, belonging to, or resembling the Sciuridae, a family of rodents that includes the squirrels and related mammals.松鼠：属于或象松鼠科动物的，包括松鼠和相关哺乳动物的啮齿目动物家族美国传统〔sire〕Abbr. s.The male parent of an animal, especially a domesticated mammal such as a horse.缩写 s.雄性种畜：动物亲代中雄性的一方，尤指被驯化的哺乳动物，例如马美国传统〔snare〕A trapping device, often consisting of a noose, used for capturing birds and small mammals.陷阱，罗网：一种通常包含有套索的捕捉装置，用来捕捉鸟类或小型哺乳动物美国传统〔social〕Carnivores are usually socially complex mammals.在哺乳动物中，食肉动物通常有着复杂的社会关系。牛津高阶〔syndactyly〕The condition of having two or more fused digits, as occurs normally in certain mammals and birds.并趾：有两个或多个指（趾）并在一起的状态，通常出现于某些哺乳动物和鸟身上美国传统〔syndactyl〕An animal, especially a bird or mammal, that has two or more fused digits.并指（趾）动物：有两个或多个指（趾）并在一起的动物，尤指鸟或哺乳动物美国传统〔take〕It has been suggested that mammals took over from dinosaurs 65 million years ago.有人提出哺乳动物是在 6 500 万年前取代恐龙的。牛津高阶〔tapetum〕A membranous layer or region, especially the iridescent membrane of the choroid of certain mammals.毯：一个膜质层或区域，尤指某些哺乳动物的脉胳膜的虹膜美国传统〔therapsid〕Any of various reptiles of the order Therapsida of the Permian and Triassic periods, many of which are considered to be direct ancestors of mammals.兽孔类：二叠纪和三迭纪的兽孔类爬行动物中的一种，它们中的许多种被认为是哺乳动物的直接祖先美国传统〔the〕The whale is a mammal.鲸鱼是哺乳动物。21世纪英汉〔unguligrade〕An unguligrade mammal.蹄行的哺乳动物美国传统〔unlike〕Unlike most mammals, the platypus lays eggs.与大多数哺乳动物不同，鸭嘴兽产卵。韦氏高阶〔unprotected〕Although some marine mammals are protected by environmental laws, many remain unprotected.尽管有一些海洋哺乳动物受到了环境法的保护，但还有很多不在其中。剑桥高阶〔urethra〕The canal through which urine is discharged from the bladder in most mammals and through which semen is discharged in the male.尿道：大多数哺乳动物自上尿液从膀胱中排出体外的管道，雄性的精子可从中排出美国传统〔venter〕Zoology A part in lower forms of animal life corresponding to the abdomen of mammals.【动物学】 腹腔：动物生命低级形式的一部分，与哺乳动物的腹部相对应美国传统〔vicuña〕The fleece of this mammal.驼马皮毛：这种哺乳动物的皮毛美国传统〔viviparous〕Zoology Giving birth to living offspring that develop within the mother's body. Most mammals and some other animals are viviparous.【动物学】 胎生的：通过在母体中发育产生后代的。绝大多数哺乳动物和其它一些动物为胎生美国传统〔watch〕Cats are constantly on the watch for mice or other small mammals.猫总是伺机抓些老鼠或其他小哺乳动物。牛津搭配〔web〕A membrane or fold of skin connecting the toes, as of certain amphibians, birds, and mammals.蹼：连接某些动物，如两栖动物、鸟和哺乳动物的趾的皮肤褶或膜美国传统〔whelp〕A young offspring of a mammal, such as a dog or wolf.幼兽：哺乳动物的幼仔，如小狗或小狼美国传统〔whisker〕One of the long stiff tactile bristles or hairs that grow near the mouth and elsewhere on the head of most mammals; a vibrissa.刚毛，触须，嘴须：绝大多数哺乳动物的长在嘴附近或头部其它位置的长而硬的触觉硬髭或毛发美国传统〔wolf〕Any of various similar or related mammals, such as the hyena.类似狼的动物：任何相似的或相关的哺乳动物的一种，如狼狗美国传统〔xanthopterin〕A yellow pigment in the wings of certain butterflies and moths, found also in the urine of mammals.黄蝶呤：存在某些蝴蝶和蛾翅膀中的一种黄色色素，也存在于哺乳动物的尿中美国传统A mammal or bird is able to keep its body temperature fairly constant, whatever fluctuations there may be in the ambient temperature.哺乳动物或鸟类可以使自己的体温保持完全不变，无论周围的温度如何变化。剑桥国际Birds, fish, mammals, amphibians and reptiles are all vertebrates.鸟类、鱼类、哺乳动物、两栖和爬行动物都是脊椎动物。剑桥国际Driftnets catch everything from medium-sized fish to aquatic mammals.漂网能捕捞许多东西，从中等大小的鱼到水生哺乳动物。剑桥国际Humans, dogs, elephants and dolphins are all mammals, but birds, fish and crocodiles are not.人类，狗和海豚都是哺乳动物，而鸟，鱼和鳄鱼不是。剑桥国际In humans and other mammals, the respiratory system includes the lungs, the diaphragm and the windpipe.人类与其它哺乳动物的呼吸系统包括肺、隔膜和气管。剑桥国际Most mammals live on land. 大多数哺乳动物生活在陆地上。译典通The whale is the largest mammal in all creation. 鲸是全世界最大的哺乳动物。译典通 |
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