问题描述: be covered with .be covered by 的区别? 1个回答 分类:英语 2014-11-07 问题解答: 我来补答 e covered with一般较具体:The mountain tops are covered with snow. 白雪覆盖着山顶. be covered by一般较抽象:This area has not been covered by the communication net. 这个地区还不在通讯网的覆盖之内. 展开全文阅读