英语词汇“back up”的释义、区别辨析及用法例句-英语同义词词典

单词	back up
例句	back upback up phrasal verb ➔ see back2, prove
随便看	appetite appetizer appetizing applaud appliance application apply appoint appointment appreciate appreciation appreciative approach appropriate approval approve approximate approximately aptitude arbitrary arc arch architect area argue

英语同义词词典收录了6737条英语词条，基本涵盖了全部常用同义词或反义词的辨析及翻译，是英语学习的有利工具。