| 释义 |
sheathFi:Wn [C]a close-fitting protective covering覆盖物，套The cable has a copper wire surrounded by a plastic sheath.电缆是铜丝做的，外面包着塑料皮。The nerves are surrounded and protected by thin sheaths of fatty tissue.神经是由薄薄的脂肪组织层所包围和保护的。A sheath is also a container into which a knife fits closely so that the blade cannot cut someone when it is not being used.（刀）鞘He drew the sword from its jewelled leather sheath.他把剑从镶有珠宝的皮鞘中抽出来。(Br) A sheath is also a CONDOM.避孕套A sheath knife is a knife with a fixed blade.带鞘的刀He suddenly attacked the doctor with a sheath knife.他突然用一把鞘刀向医生袭去。
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