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单词 valve
释义 valve
[vælv] noun countable
■a device which opens and closes to control the flow of liquids or gases, or a similar structure in the heart and the veins, which controls the flow of blood 阀;活门;(心脏或血管的)瓣膜
The valve failed to open/close.阀门打不开/关不上了。
It was a weak heart valve that caused her death.是心瓣膜问题导致了她的死亡。
■part of a musical instrument such as a trumpet which changes the sound by controlling the flow of air (喇叭等乐器的)阀键,活塞
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