| 单词 | dorsal |
| 释义 | DEFINITIVE EXAMPLES 权威例句〔Bell's Law〕An axiom stating that the anterior or ventral roots of the spinal nerves are motor and the posterior or dorsal roots are sensory.贝尔定律：该定律说明脊柱神经前面或下面的神经根是运动根，而后面或背面的神经根为感觉根美国传统〔anglerfish〕A marine fish of the order Lophiiformes or Pediculati, having a long dorsal fin ray that is suspended over the mouth and that serves as a lure to attract prey.琵琶鱼，鮟鱇：一种鮟鱇目或足鳍目海洋鱼，有很长的背鳍线悬在嘴的上部，用作诱饵来捕食食物美国传统〔aortic arch〕One of a series of paired arteries in a vertebrate embryo that connects the ventral arterial system to the dorsal arterial system.主动脉弓：脊椎动物胚胎内一系列成对的动脉之一，它将腹动脉系统与背动脉系统连结起来美国传统〔back〕The analogous dorsal region in other animals.动物的背部：其它动物相似的背部部位美国传统〔beaked whale〕Any of various toothed whales of the family Ziphiidae, having a long beaklike snout and a small dorsal fin and inhabiting all of the oceans.啄鲸：剑吻鲸科的任一种齿鲸，有鸟啄状的长口鼻、小背鳍，并出没于所有海洋中美国传统〔butterfly fish〕Any of various small, brightly colored tropical marine fishes of the family Chaetodontidae, having deep, flattened bodies and a single dorsal fin.蝴蝶鱼：各种小的色彩绚丽的热带海生蝴蝶鱼科鱼，具有深色而扁平的形体和一个单独脊鳍美国传统〔depressed〕Zoology Flattened along the dorsal and ventral surfaces.【动物学】 匍匐的：沿着背部和腹部表面变平的美国传统〔knuckle〕The prominence of the dorsal aspect of a joint of a finger, especially of one of the joints connecting the fingers to the hand.指关节：手指关节的背面突起，特别是连结手指与手掌的那个突起美国传统〔mesentery〕Any of several folds of the peritoneum that connect the intestines to the dorsal abdominal wall, especially such a fold that envelops the jejunum and ileum.肠系膜：任一种将小肠和腹腔后壁联结起来的腹膜，尤指包被着空肠及回肠的这种腹膜美国传统〔neural arch〕A bony or cartilaginous arch that arises from the dorsal side of a vertebra to enclose the spinal cord.神经弓，椎弓：在脊椎背面形成的骨弓或软骨弓形，用来包住脊髓美国传统〔neural plate〕The thickened dorsal plate of ectoderm that differentiates into the neural tube and neural crest.神经板：外胚层的厚脊板，它最终分化成神经管和神经脊美国传统〔neural tube〕A dorsal tubular structure in the vertebrate embryo formed by longitudinal folding of the neural plate and differentiating into the brain and spinal cord.神经管：脊椎动物胚胎背脊部管状结构，它由神经板纵向折叠形成，并分化为脑神经和脊髓神经美国传统〔neural〕Of, relating to, or located on the same side of the body as the spinal cord; dorsal.脊背的：属于、相关或位于和脊髓的身体同一边；背部的美国传统〔notum〕The dorsal part of the thoracic segment of an insect.背板：昆虫胸节的背部表面美国传统〔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〔posterior〕Relating to the caudal end of the body in quadrupeds or the dorsal side in human beings and other primates.背后的，尾部的：与四足兽的身体尾部有关的，或与人类和其他灵长动物的背部有关的美国传统〔right whale〕Any of several whales of the family Balaenidae, characterized by a large head, whalebone plates in the mouth, and absence of a dorsal fin.露脊鲸：露脊鲸科中的几种鲸，特征为头部硕大、嘴边长有鲸须而无背鳍美国传统〔scorpion fish〕Any of numerous small, often brilliantly colored marine fishes of the family Scorpaenidae, most species of which have poisonous spines in the dorsal fin.鮋鱼：一种属于鮋科的，数目众多的，经常具有光亮颜色的海生小鱼，绝大多数这种鱼的背鳍上都有带毒的椎骨美国传统〔spinal ganglion〕Any of the sensory ganglia situated on the dorsal root of each spinal nerve.脊神经节：位于每根脊神经后根上的任何感觉神经节美国传统〔tabes〕Tabes dorsalis.脊髓痨美国传统〔take〕The harpoon struck near the dorsal fin and took.鱼叉刺在脊鳍附近,扎进鱼体。英汉大词典〔tectum〕A rooflike structure of the body, especially the dorsal part of the mesencephalon.顶盖：身体中象顶一样的结构，尤指中脑的背部美国传统〔tergum〕The upper or dorsal surface, especially of a body segment of an insect or other arthropod.背板：上部或背部表面，尤指昆虫或其它节肢动物的身体的一部分美国传统〔ventrodorsal〕Both ventral and dorsal; extending from a ventral to a dorsal surface.腹背的：既是腹部又是背部的；从腹面扩展到背面的美国传统〔viperfish〕Any of various small deep-sea fish of the family Chauliodontidae, having fanglike teeth, a long first ray of the dorsal fin, and photophores along the sides.蝰鱼：属于蝰鱼科的各种小深海鱼之一，有毒牙样的牙齿，背鳍上有一条长且重要的背鳍骨，两侧有发光器官美国传统〔weever〕Any of several marine fishes of the family Trachinidae, having venomous spines on the gill cover and first dorsal fin.龙鳖：龙鳖科的几种海鱼之一，在鳃盖和第一背鳍上的许多毒刺美国传统The sight of a shark's dorsal fin above the water is enough to clear the sea of swimmers.看到鲨鱼露出水面的背鳍，就足以吓跑海边的游泳者。剑桥国际 |
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