常用工具
有声词典
语法查询
拼写检查
更多工具
软件
首页
动画
Flash
文章
软件
例句
1
1. We can not
undo
what has been done.
覆水难收。
2. In general, it's better to
undo
the problem by adding more iron-rich foods to the diet, because iron supplements can have serious shortcomings.
一般说来,解决问题的最好方法是在食谱中增加含铁丰富的食物,因为铁离子补剂可能存在严重缺陷。"
1