初一英语视频课堂 Unit21:Water festival
日期:2015-05-22 11:21
(单词翻译:单击)
本视频由对水循环的介绍切入，然后介绍了水上活动的警示牌的英语表达，最后区分了连接词when、while和as的用法。
This video starts with an interesting introduction to water cycle. Then it moves on to the English expressions of some signs. Finally it introduces the differences among connectives when, while and as.
