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　

TOEFL GRE TEM8 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。
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。
The external sheath of connective tissue surrounding a muscle.
肌外衣包围肌肉的连结组织的外鞘。
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。
Would you be his sheath?
你愿意当一个刀鞘吗？
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。
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。
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。
It was shown in the populations that the apiculus coloration matched to basal leaf sheath coloration in each plant.
在各个植株上，稃尖颜色和叶鞘颜色的表现完全相同。
Relating to or resembling a sheath.
鞘的与鞘有关的或鞘状的。