问题描述: up and down还有slower and slower还有 more or less还有 neck and 1个回答 分类:英语 2014-11-05 问题解答: 我来补答 up and down 上上下下slower and slower 越来越慢more or less 差不多,几乎,大约neck and neck 并驾齐驱 展开全文阅读