柯林斯詞典sheath /?i?θ/ (sheaths) 1. N-COUNT A sheath is a covering for the blade of a knife. (刀) 鞘 返回 sheath劍橋詞典a close-fitting covering to protect something 鞘套；護皮 The cable has a copper wire surrounded by a plastic sheath. 電纜是銅絲做的，外麪包著塑料皮。 The nerves are protected by thin sheaths of fatty tissue . 神經(jīng)由薄薄的脂肪鞘保護著。 a cover into which a knife or sword fits so that the blade cannot cut someone when it is not being used （刀劍的）鞘 He drew the knife from its jewelled leather sheath. 他把刀從鑲有珠寶的皮鞘中抽出來。 UK a condom 避孕套（同 condom） 返回 sheath