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
- 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。 - Relating to or resembling a sheath.
鞘的与鞘有关的或鞘状的。 - 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。 - He drew his sword from its sheath.
他拔剑出鞘。 - Would you be his sheath?
你愿意当一个刀鞘吗？ - 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。 - The results supported that rice resistance to sheath blight was a hereditable character and selection to resistance was effective.
表明水稻对纹枯病的抗性是可遗传的性状，对抗性的选择有效。 - 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。 - 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 sheath for a sword or dagger or bayonet.
剑、匕首或刺刀的鞘。