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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

                      • 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
                      • 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。
                      • Objective Research on domestic sheath autonomous formula and its application on SE-9000 automatic blood instrument.
                        目的研究国产鞘液的自主配方及其在SE-9000全自动血液分析仪上的应用。
                      • 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。
                      • 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。
                      • Lead in sheath heater of Microwaves.
                        微波炉发热器护套中的铅。
                      • 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。
                      • 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。
                      • 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。