valve

US [vælv]
UK [vælv]
  • n.阀;阀门;气门;活门
  • Web电子管;瓣膜;汽门
Plural Form:valves  
Valve
n.
1.
阀;阀门;活门;气门a device for controlling the flow of a liquid or gas, letting it move in one direction only
2.
(心脏或血管的)瓣(膜)a structure in the heart or in a vein that lets blood flow in one direction only
3.
(铜管乐器的)阀键,活塞a device in some brass musical instruments for changing the note

Sample Sentence

Definition:
Category:AllAll,OralOral,WrittenWritten,TitleTitle,TechnicalTechnical
Source:AllAll,DictionaryDictionary,WebWeb
Difficulty:AllAll,EasyEasy,MiddleMiddle,HardHard