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	lack of trust lack of understanding lack of unity lack of use lack of vanity lack of variation lack of variety lack of veracity lack of vitality lack of warmth lacks lack success lack-wit lacky lacky band lac leman Laclos, Pierre Choderlos de Lac Léman Laconia Laconian Laconian laconic laconica laconical laconically 垦荒垧垩垫垫上运动垫付垫圈垫子垫底垫支 Klebstoff Klebstoff Klebung Klebung Klebverbindung Klebverfahren Klecks klecksen Klee Kleeblatt