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

• 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。
• 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。
• Objective Research on domestic sheath autonomous formula and its application on SE-9000 automatic blood instrument.
  目的研究国产鞘液的自主配方及其在SE-9000全自动血液分析仪上的应用。
• He drew his sword from its sheath.
  他拔剑出鞘。
• 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。
• 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
• 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。
• Objective: to provide anatomic data for treatment of thoracic nerve root sheath diseases.
  目的：为临床胸神经根鞘性疾患的诊治提供解剖学基础。
• Would you be his sheath?
  你愿意当一个刀鞘吗？
• 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。