英语词汇“safety valve”的读音、翻译、释义、用法及例句-出国留学网

词汇	safety valve
释义	ˈsafety valve noun [C] a device in a machine that allows steam, gas, etc to escape if the pressure becomes too great 安全阀（压力太大时可让蒸气等外溢的装置）
随便看	prequalified prequalifies prequalifying prequarantine prequarantined prequarantines prequarantining prequel prequels prequestion pre-question prequestioned prequestioning prequestions prequotation prequotations preracing preradio prerailway prerational prereadiness prereadinesses preready prerealize prerealized

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