问题描述: keep up with keep away from 的词义 用法 1个回答 分类:英语 2014-11-02 问题解答: 我来补答 keep up with 跟上……例如:keep up with the times 跟上时代的发展keep away from 远离……例如:keep away from drug 远离毒品 展开全文阅读