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　

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

(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.

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

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。
It shows one sheath around the vascular bundles.
它显示出在维管束周围的鞘状构造。
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
He drew his sword from its sheath.
他拔剑出鞘。
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。
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, 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。
Lead in sheath heater of Microwaves.
微波炉发热器护套中的铅。