| 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 |