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	purse-emptier purse-eyed purseful purse-full pursefuls purseholder purseless purselet purselike purse line purse-master purse net purse netting purse one's lips purse-picker purse-picking purse-pinched purse-pride purse-proud purser purserette purse ring purse-rope pursers purser's dip 触底触怒触手触控触摸触摸屏触景生情触机触杀触楣头 Sozialismus Sozialist sozialistisch Sozialkapital Soziallage Sozialleistung Soziallohn Sozialordnung Sozialplan Sozialpolitik