六六字典>英语词典>sheath翻译和用法

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 

TOEFLGRETEM8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
      1. 护套;护层;护皮
        any covering that fits closely over sth for protection
        1. 护套;护层;护皮
          any covering that fits closely over sth for protection
          1. 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.
              1. 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
                  1. a protective covering (as for a knife or sword)
                    1. an enveloping structure or covering enclosing an animal or plant organ or part
                        Synonym:case

                      双语例句

                      • 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。
                      • 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。
                      • 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。
                      • 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。
                      • 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。
                      • The external sheath of connective tissue surrounding a muscle.
                        肌外衣包围肌肉的连结组织的外鞘。
                      • 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
                      • 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。
                      • Lead in sheath heater of Microwaves.
                        微波炉发热器护套中的铅。