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

• He found a wood-and-leather sheath that fit and slipped the dirk inside.
  他又找到了一个皮木做的合适刀鞘然后将匕首插了进去。
• 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。
• 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。
• 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
• The cells of leaf bundle sheath contain numerous chloroplasts and starch grains.
  叶的维管束鞘细胞含有许多叶绿体和淀粉粒，可以断定它是四碳植物。
• 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。
• 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。
• In this paper, the establishment of the standard for the cables for wind power generation, design of the conductor construction and selection of the materials for insulation and sheath are presented.
  文中介绍了风能发电用电缆标准的制定、导体结构的设计，以及绝缘和护套材料的选择，最后还介绍了几项特殊性能试验方法及要求。
• A sheath for a sword or dagger or bayonet.
  剑、匕首或刺刀的鞘。
• Minmum thickness of sheath and maximum overall of cable refer to Table 3.
  终端电缆的护套最小厚度和电缆最大外径见表2。