英语词汇“period of usefulness”的翻译、意思、用法、释义-英汉双解词典-雅致网

单词	period of usefulness
释义	请查阅词条：usefulness
随便看	woundingly woundless woundless woundly wounds wound up wound-up woundwort wove wove woven woven termination payment termination shock terminative terminatively terminatively terminator terminator gene terminators terminator seed terminatory terminer terming termini 迫不及待迫不得已迫临迫于迫使迫击炮迫切迫在眉睫迫害迫近 Elektronenröhre Elektronenröhrenwerk Elektronenschale Elektronenspender Elektronenspin Elektronenwanderung Elektronietung Elektronik Elektronik Elektronikbranche