| 词汇 | valve |
| 释义 | valve noun [ C ] uk/vælv/ us/vælv/ 阀;活门;（心脏或血管的）瓣膜 a device that opens and closes to control the flow of liquids or gases, or a similar structure in the heart and the veins that controls the flow of blood 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。 （喇叭等乐器的）阀键，活塞 part of a musical instrument such as a trumpet that changes the sound by controlling the flow of air |
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