问题描述: 我对你英文提高的速度之快很惊讶英文怎么表达 1个回答 分类:英语 2014-12-14 问题解答: 我来补答 I am so surprised at the speed of the improvement on your English .improvement:n 提高,进步;改善be surprised at :对什……吃惊;惊讶 展开全文阅读