问题描述： do you know when you have the flu 的同义句 1个回答 分类：英语 2014-12-10 问题解答： 我来补答 How do you know when you have the flu 你怎么一感冒就能发觉呢?（when=just the moment that ）How do you know that you just have the flu what is the reasons for which you know the advent of your flu 展开全文阅读
