词汇“无用功”用英语简单造句子的方法、技巧、例句及翻译-英语例句辞典

单词	无用功
例句	DEFINITIVE EXAMPLES 权威例句〔either〕When there's a crisis, they either do nothing or do something totally useless.发生危机时，他们或者什么也不做，或者做些无用功。麦克米伦高阶
随便看	rootage rooted rooted to the spot rooting rooting for the underdog rooting out rootled rootless rootlike roots rootstock rootstocks rootworm rope rope bridge rope down rope in rope ladder rope off rope splice rope tow rope up rope walker rope yarn rope-ladder

英语例句辞典收录了559068条英语例句在线翻译词条，基本涵盖了全部常用单词及词组的例句翻译及用法，是英语学习的有利工具。