sheaths是什么意思？

sheaths

英[ʃi:ðz]

• n. （刀、剑或工具尖锐部分的）鞘( sheath的名词复数 )，（男用）避孕套，（植物或动物器官的）鞘状（包覆物），外层覆盖（物）；

例句

• In addition, various precision spiales and metallic sheaths can be made. 同时, 可承接各种精密轴、套类零件的加工制造.
• The production of sheaths has led to some new and unexpected difficulties. 制造被筒时引起一些新的未预料到的困难.
• As the two charge distributions separate, leaving positive and negative sheaths. 当两种电荷分布开始时, 就留下正离子鞘和负离子鞘.
• The signal characteristics probably result from dense gliosis and diminished myelin sheaths in the hemartomatous areas. 病变的信号特点很可能是因为错构瘤区域致密的胶质增生和髓鞘都是造成的.

柯林斯高阶英汉双解学习词典释义

• N-COUNT
  (刀、剑的)鞘，套
  A sheath is a covering for the blade of a knife.
• N-COUNT
  保险套;避孕套
  A sheath is a rubber covering for a man's penis and is used during sex as a contraceptive or as a protection against disease.