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 sheath for a sword or dagger or bayonet.
剑、匕首或刺刀的鞘。 - It shows one sheath around the vascular bundles.
它显示出在维管束周围的鞘状构造。 - 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。 - Losses in cable sheath and armor were moved into cable conductor by thermal circuit method.
利用热路的方法将电缆金属套损耗和铠装层损耗归算到电缆导体。 - 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。 - Objective: To investigate the effects and safes of ultrasound-assisted liposuction by the probe with the sheath.
目的：探讨带有外鞘的超声探头吸脂术的安全性和有效性。 - 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 white fatty substance that forms a medullary sheath around the axis cylinder of some nerve fibers.
一种白色油脂物质，形成一些神经纤维轴突外包裹的一层髓鞘。 - 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 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。