单词 差开 例句 DEFINITIVE EXAMPLES 权威例句〔wear sb down〕All the stress and extra travel is beginning to wear him down.所有那一切压力和加班出差开始使他筋疲力尽。剑桥高阶 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...