sheath

英 [ʃiːθ]

美 [ʃiːθ]

n.  (刀、剑等的)鞘; (工具的)套; 护套; 护层; 护皮; 紧身连衣裙
v.  包; 盖

复数：sheaths　

TOEFLGRETEM8化学

Collins.1 / BNC.15335 / COCA.12614

牛津词典

noun

• （刀、剑等的）鞘；（工具的）套
  a cover that fits closely over the blade of a knife or other sharp weapon or tool
• 护套；护层；护皮
  any covering that fits closely over sth for protection
• 护套；护层；护皮
  any covering that fits closely over sth for protection
• 紧身连衣裙
  a woman's dress that fits the body closely

柯林斯词典

• (刀、剑的)鞘，套
  Asheathis a covering for the blade of a knife.
• 保险套;避孕套
  Asheathis a rubber covering for a man's penis and is used during sex as a contraceptive or as a protection against disease.

英英释义

noun

• a dress suitable for formal occasions
  Synonym:cocktail dress
• a protective covering (as for a knife or sword)
• an enveloping structure or covering enclosing an animal or plant organ or part
  Synonym:case

双语例句

• Another key factor is the insulating fatty sheath encasing neuron fibres, which affects the speed of electrical signals.
  另一个关键的因素在于围绕神经纤维的隔离脂肪鞘，它能影响电信号的速度。
• The external sheath of connective tissue surrounding a muscle.
  肌外衣包围肌肉的连结组织的外鞘。
• Objective: To study the morphological changes of tissue engineering synovialized tendon after transplanted within the flexor digital sheath.
  目的：观察用组织工程学方法形成的滑膜化肌腱鞘内移植后的形态变化。
• In this paper, sheath scaling for PIII into a spherical target is investigated using numerical methods.
  本文对球形靶的鞘层尺度进行了数值求解、讨论了注入参数对鞘层尺度的影响。
• All the results demonstrated pyrenoid and starch sheath were closely related with photosynthetic function.
  这些结果均表明条浒苔蛋白核（淀粉鞘）单细胞绿藻的蛋白核相同，具有光合作用功能。
• The productuses 4 pairs, Insulation is HDPE insulator, and sheath is PVC.
  1本产品规格为4对，绝缘采用高密度聚乙烯绝缘料，护套为聚氯乙烯护套料。
• She appears wearing a magenta silk sheath dress by Jason wu, who also designed her inaugural gown.
  在封面照上，米歇尔身穿一袭由设计师吴季刚为其设计的绛红色紧身丝质裙装。她在奥巴马就职典礼上所穿的礼服就出自吴季刚之手。
• Effect of elastic modulus of stratum and cement sheath on casing strength
  地层和水泥环弹性模量对套管强度的影响分析
• At the same time, sheath of polyolefin processing performance and prone to defects and discussed how to resolve.
  同时也对聚烯烃护套的性能和加工容易出现缺陷及如何解决进行了论述。
• He lowered it and drew his hunting-knife from its beaded sheath at his hip.
  他放下枪，从屁股后面的镶珠刀鞘里拔出猎刀。他一刀砍下去，砰的一声，把刀子都震飞了。