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单词 valve
释义 valveBrE /vælv/NAmE /vælv/ noun
a device for controlling the flow of a liquid or gas, letting it move in one direction only 阀;阀门;活门;气门
a structure in the heart or in a vein that lets blood flow in one direction only (心脏或血管的)瓣(膜)
a device in some brass musical instruments for changing the note (铜管乐器的)阀键,活塞
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更新时间:2025/2/10 22:03:55