A 'valve' is a device controlling the flow of a liquid or gas, or a device that closes to prevent the return of a fluid.
valve 指阀、真空管或（心脏的）瓣膜。
| 单词 | valve |
|---|---|
| 音标 | [vælv] [vælv] |
| 释义 | n.["阀","真空管","（管乐器的）活栓","（心脏的）瓣膜"] vt.["装阀于","以活门调节"] |
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