英语词汇“useful life”的读音、翻译、释义、用法及例句-心情故事网

词汇	useful life
释义	useful life 【化】有效期; 使用寿命【经】可用年限, 有用寿命
随便看	absent from work without reason absentia absentia epileptica absently absent-minded absent-mindedly absent-mindedness absent respiration absent voting laws absent without leave abs. feb. absidia absinth absinthe absinthe oil absinthic comrade-in-arms comradely comradery comradeship comsat Comtian Comtism Comtist comton rule

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