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TOEFL IELTS BNC: 5127 COCA: 5952

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 that changes the sound by controlling the flow of air(喇叭等乐器的)阀键,活塞

TOEFL IELTS BNC: 5127 COCA: 5952
valve

noun

ADJECTIVE | VERB + VALVE ADJECTIVEsafety安全閥shut-off截止閥non-return, one-way止逆閥;單向閥exhaust, inlet排氣閥;進氣閥drain, pressure-relief排水閥;減壓閥fuel, water, etc.燃油閥、水閥等heart, radiator, etc.心臟的瓣膜、散熱器閥門等faulty, leaking有故障的/滲漏的閥門VERB + VALVEfit, install安裝閥門The plumber will fit some new safety valves.水暖工將安裝幾個新的安全閥。open打開閥門You need special tools to open the valve.這種閥門要用專門的工具打開。close關閉閥門
TOEFL IELTS BNC: 5127 COCA: 5952
TOEFL IELTS BNC: 5127 COCA: 5952
valve
General regions and organs inside the body: apparatus, canal, cavity...
Parts of musical instruments: bellows, bow, bridge...

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