单词	valve
释义	valve From Longman Dictionary of Contemporary EnglishRelated topics: Mechanical, Music, Electricalvalvevalve /vælv/ ●○○ noun [countable]  1TEMa part of a tube or pipe that opens and shuts like a door to control the flow of liquid, gas, air etc passing through it heart valves2APMthe part on a trumpet or similar musical instrument that you press to change the sound of the note3 British EnglishTEE a closed glass tube used to control the flow of electricity in old radios, televisions etc SYN vacuum tube American EnglishExamples from the Corpusvalve• Below this a valve closes, dividing the airflow to the engine so that it runs as two separate three cylinder units.• The engine depends heavily upon turbocharging and on five valves per cylinder for its 150 horsepower.• Sadly today, the making of valves is a dying art.• Secrecy sang in the static air, like an old valve radio with the volume turned down.• The solution, if that is the case, is to install a pressure-reducing valve on the water system.• The margins of the valves are often wavy, and deeply folded in other species.• His slide work caused many to accuse him of using an easier-to-use valve trombone.• This machine used valves rather than transistors or microchips and required input in the form of punched cards.Origin valve (1400-1500) Latin valva “part of a door”
随便看	you're talking 500 days etc you're talking about you're talking three days etc you're telling me you're that's close you're the man you're welcome you're you must be joking you've you've got another think coming you've got me you've got me there you've got me there you've got to be joking you've made your bed and you must lie on it you/he etc alone youd youd be lucky youd better believe it youll youll be lucky youll be sorry youll believe anything youll catch your death youll catch your death of cold

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