字典二二>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

                      • 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。
                      • 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。
                      • 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
                      • The cells of leaf bundle sheath contain numerous chloroplasts and starch grains.
                        叶的维管束鞘细胞含有许多叶绿体和淀粉粒,可以断定它是四碳植物。
                      • 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。
                      • It was shown in the populations that the apiculus coloration matched to basal leaf sheath coloration in each plant.
                        在各个植株上,稃尖颜色和叶鞘颜色的表现完全相同。
                      • 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 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。
                      • He drew his sword from its sheath.
                        他拔剑出鞘。
                      • Relating to or resembling a sheath.
                        鞘的与鞘有关的或鞘状的。