valve
valve 英 [vælv] 美 [vælv]
n. 阀，阀门；[解剖](心脏)瓣膜；阀键
名词复数:valves
- A valve is a device that controls the flow of a liquid or gas. Before you fix the broken sink in your bathroom, you should turn the valve that shuts off the water.
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- n. 阀，阀门；[解剖](心脏)瓣膜；阀键
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1. gate valve
机 闸阀 ; 机 闸门阀
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2. safety valve
安全泄气阀 ;
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3. If you smell gas, shut off the main gas valve.
如果你闻到煤气味，关闭总阀门。
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4. This valve regulates the flow of water.
这个阀门调节水流。
- valve (n.) late 14c., "one of the halves of a folding door," from Latin valva (plural valvae) "section of a folding or revolving door," literally "that which turns," related to volvere "to roll," from PIE root *wel- (3) "to turn, revolve." Sense extended 1610s to "membranous fold regulating flow of bodily fluids;" 1650s to "mechanical device that works like an anatomical valve;" and 1660s in zoology to "halves of a hinged shell." Related: Valved.
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