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
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
- a protective covering (as for a knife or sword)
- an enveloping structure or covering enclosing an animal or plant organ or part
双语例句
- It shows one sheath around the vascular bundles.
它显示出在维管束周围的鞘状构造。 - 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。 - Lead in sheath heater of Microwaves.
微波炉发热器护套中的铅。 - 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。 - 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。 - A sheath for a sword or dagger or bayonet.
剑、匕首或刺刀的鞘。 - Mainly applied in cracking resistant sheath of communication cable, control cable and power cable.
主要用于通信电缆，控制电缆和电力电缆的护套层。 - 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。 - 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。 - 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。