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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

                      • 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。
                      • The productuses 4 pairs, Insulation is HDPE insulator, and sheath is PVC.
                        1本产品规格为4对,绝缘采用高密度聚乙烯绝缘料,护套为聚氯乙烯护套料。
                      • 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。
                      • He drew his sword from its sheath.
                        他拔剑出鞘。
                      • 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。
                      • 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。
                      • 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。
                      • Minmum thickness of sheath and maximum overall of cable refer to Table 3.
                        终端电缆的护套最小厚度和电缆最大外径见表2。
                      • 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。
                      • It shows one sheath around the vascular bundles.
                        它显示出在维管束周围的鞘状构造。