| 单词 | sheath |
| 释义 | DEFINITIVE EXAMPLES 权威例句〔Schwann cell〕Any of the cells that cover the nerve fibers in the peripheral nervous system and form the myelin sheath.施万细胞：覆盖神经纤维的周边神经系统和形成髓神经鞘的细胞美国传统〔aglet〕A tag or metal sheath on the end of a lace, cord, or ribbon to facilitate its passing through eyelet holes.金属小箍：鞋带或其它绳带两端的金属箍，使鞋带能容易地穿过网眼美国传统〔boot〕A protective covering, especially a sheath to enclose the base of a floor-mounted gear shift lever in a car or truck.防护罩：一种防护性覆盖物，尤指小汽车或卡车内一种用于包住登板或排档杆基部的套子美国传统〔cable〕Electricity A bound or sheathed group of mutually insulated conductors.【电学】 电缆：包在一起的相互绝缘的导线美国传统〔case knife〕A knife kept in a sheath or case.有鞘小刀：放在鞘或套子里的刀美国传统〔chape〕A metal tip or mounting on a scabbard or sheath.扣钩：匕首套或剑鞘的金属包头或底托美国传统〔clad〕To sheathe or cover (a metal) with a metal.镀上：用一种金属包住或覆盖（另一种金属）美国传统〔coleoptile〕A protective sheath enclosing the shoot tip and embryonic leaves of grasses.胚芽鞘：裹在草的芽尖和胚芽外层的保护鞘美国传统〔coleorhiza〕A protective sheath enclosing the embryonic root of grasses.胚根鞘：裹在草的芽根外层的保护鞘美国传统〔cot〕A protective covering or sheath.鞘：一种保护性的覆盖物或套美国传统〔demyelinate〕To destroy or remove the myelin sheath of (a nerve fiber), as through disease.脱髓鞘：经由疾病而破坏或除去（神经纤维中的）髓鞘美国传统〔endodermis〕The innermost layer of the cortex that forms a sheath around the vascular tissue of roots and some stems.内皮层：皮层的最内层，在根、茎的导管组织周围形成一道叶鞘（茎衣）美国传统〔ensheathe〕To cover or enclose with or as with a sheathe.把…插入鞘套内：以鞘套盖住或封起来美国传统〔epimysium〕The external sheath of connective tissue surrounding a muscle.肌外衣：包围肌肉的连结组织的外鞘美国传统〔epineurium〕The thick sheath of connective tissue surrounding a nerve trunk.神经外膜：环绕神经干的连结组织的外鞘美国传统〔ganglion〕Pathology A benign cystic lesion resembling a tumor, occurring in a tendon sheath or joint capsule.【病理学】 腱鞘囊肿：类似肿瘤的一种良性胞囊损伤，产生于腱鞘或联合囊内美国传统〔glove〕A fitted covering for the hand with a separate sheath for each finger and the thumb.手套：一种覆盖手部之物，各指和拇指均有独立的套美国传统〔hoof〕The horny sheath covering the toes or lower part of the foot of a mammal of the orders Perissodactyla and Artiodactyla, such as a horse, an ox, or a deer.蹄：覆盖奇蹄目或偶蹄目哺乳动物脚趾或足下部的角质鞘，如马，牛或鹿美国传统〔invaginate〕To enclose or become enclosed in or as if in a sheath.（使）入鞘：装入鞘中或为鞘所围美国传统〔involucrum〕An enveloping sheath or envelope.外皮或包膜：一个包装壳或外壳美国传统〔ironclad〕Sheathed with iron plates for protection.包铁片以防护美国传统〔mantle〕A device in gas lamps consisting of a sheath of threads that gives off brilliant illumination when heated by the flame.灯罩：煤油灯内一装置，是一个由许多线结成的套构成的，被火焰加热后产生灿烂的光芒美国传统〔myelinization〕The process of forming a myelin sheath.髓鞘形成：形成髓鞘的过程美国传统〔myelin〕The myelin sheath around the neuron is damaged.神经元周围的髓鞘遭到破坏。剑桥高阶〔node of Ranvier〕A constriction in the myelin sheath, occurring at varying intervals along the length of a nerve fiber.郎飞氏结：髓磷脂叶鞘上的阻塞物，沿叶脉纤维长度长在不同间隔处美国传统〔ocrea〕A sheath formed at the node of a stem by the fusion of two stipules, as in the rhubarb plant.托叶鞘：两片托叶接合于枝干的结上而形成的一种鞘，如在大黄属植物中美国传统〔perimysium〕The sheath of connective tissue enveloping bundles of muscle fibers.肌束膜：里绕着肌肉的结缔组织膜美国传统〔perineurium〕The sheath of connective tissue enclosing a bundle of nerve fibers.经来膜：包裹住神经纤维的膜状结缔组织美国传统〔pinfeather〕A growing feather still enclosed in its horny sheath, especially one just emerging through the skin.（鸟类的）新生毛：一种裹在角鞘中的新生毛，特别是刚刚冒出皮肤外的羽毛美国传统〔safety pin〕A pin in the form of a clasp, having a sheath to cover and hold the point.安全别针：夹子形状别针，有盖住和掐住尖端的鞘美国传统〔scabbard〕A sheath, as for a dagger or sword.鞘：匕首或剑的鞘美国传统〔scabbard〕To put into or furnish with such a sheath.插入鞘中：将…插入（剑）鞘中或装备这样的剑鞘美国传统〔shard〕A tough sheath or covering, such as a shell, scale, or plate.昆虫翅鞘：一种硬质鞘或遮盖物，例如贝壳、鳞或包覆物美国传统〔sheath knife〕A knife that has a fixed blade and fits into a sheath.带鞘短刀：具有固定刀身并能装入鞘内的刀子美国传统〔sheathe〕Sheathe your swords!把你们的剑插到鞘里！牛津同义词〔sheathe〕He sheathed his sword.他把剑插入鞘中。韦氏高阶〔sheathe〕He sheathed his sword.他把剑插入鞘内。朗文当代〔sheathe〕He sheathed his sword.他插剑入鞘。英汉大词典〔sheathe〕He sheathed the knife and strapped it to his shin.他将刀插入鞘中,绑在小腿上。柯林斯高阶〔sheathe〕The grassy hills were sheathed in mist.绿草如茵的群山雾气弥漫。朗文当代〔sheathe〕The landscape was sheathed in ice.大地为冰雪所覆盖。剑桥高阶〔sheathe〕The ship's bottom is sheathed with/in copper.船底包了一层铜。韦氏高阶〔sheathe〕The television was sheathed in a snug coverlet.电视机用一个床罩严严实实地盖住了。柯林斯高阶〔sheathe〕To insert into or provide with a sheath.入鞘：插入或提供鞘套美国传统〔sheathe〕To retract (a claw) into a sheath.缩回爪子：将（爪子）收缩进鞘美国传统〔sheathing〕The act of providing sheathing.提供覆材美国传统〔sheath〕He drew the knife from its jewelled leather sheath.他把刀从镶有珠宝的皮鞘中抽出来。剑桥高阶〔sheath〕His sword was back in its sheath.他的剑插回了剑鞘。朗文当代〔sheath〕She was wearing a plain black sheath.她身穿一件朴素的黑色紧身连衣裙。朗文当代〔sheath〕The cable has a copper wire surrounded by a plastic sheath.电缆是铜丝做的，外面包着塑料皮。剑桥高阶〔sheath〕The nerves are protected by thin sheaths of fatty tissue.神经由薄薄的脂肪鞘保护着。剑桥高阶〔sheath〕The wire is covered by an outer plastic sheath.电线外面覆盖着一层塑料保护层。朗文当代〔sheath〕To encase or cover with or as if with a sheath; sheathe.包，盖：用或好象用鞘包围或覆盖；包覆美国传统〔stall〕A protective sheath for a finger or toe.护套：保护手指或脚的护套美国传统〔synovia〕A clear, viscid lubricating fluid secreted by membranes in joint cavities, sheaths of tendons, and bursae.滑液：一种清澈、粘质、有润滑作用的体液，从关节腔、腱鞘和粘液囊的粘膜处分泌美国传统〔tenosynovitis〕Inflammation of a tendon sheath.腱鞘炎：肌腱的腱鞘发炎美国传统〔thecate〕Having a theca; encased or sheathed.有壳的：有壳的；有层的或有鞘的美国传统〔theca〕A case, covering, or sheath, such as the pollen sac of an anther, the spore case of a moss, or the outer covering of the pupa of certain insects.壳，鞘：盖，表层或鞘，如花药的花粉囊，苔藓的孢子壳或菜昆虫的蛹外壳美国传统〔unmyelinated〕Lacking a myelin sheath. Used of a nerve fiber.缺少髓鞘的。用来指一根神径纤维美国传统〔unsheathe〕To draw from or as if from a sheath or scabbard.拔出：从剑鞘或枪套中或仿佛从剑鞘或枪套中拔出美国传统〔vaginal〕Relating to or resembling a sheath.鞘的：与鞘有关的或鞘状的美国传统〔vaginate〕Forming or enclosed in a sheath.有鞘的：形成鞘的或装在鞘内的美国传统〔vaginate〕Resembling a sheath.鞘状的美国传统He drew the sword from its jewelled leather sheath.他把剑从镶有珠宝的皮鞘中抽出来。剑桥国际He suddenly attacked the doctor with a sheath knife.他突然用一把鞘刀向医生袭去。剑桥国际He wiped the knife and put it back in the sheath. 他擦干净刀子，放入鞘内。译典通She sheathed the knife (= put it back inside its sheath).她把刀插回鞘里。剑桥国际The cable has a copper wire surrounded by a plastic sheath.电缆是铜丝做的，外面包着塑料皮。剑桥国际The concrete frame of the building is covered by a glass and metal sheathing (= protective cover).这座建筑的混凝土框架上覆盖着玻璃和金属的望板。剑桥国际The landscape was sheathed (= covered) in ice.景色为冰雪所覆盖。剑桥国际The nerves are surrounded and protected by thin sheaths of fatty tissue.神经是由薄薄的脂肪组织层所包围和保护的。剑桥国际The ships’hulls were sheathed in/with copper (= covered with COPPER as a protection).船身包着紫铜。剑桥国际They use specially treated plywood as roof sheathing (= protective outer covering).他们用经过特殊处理的胶合板来作屋顶的盖板。剑桥国际 |
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