My father teaches physics. My mother also teaches. She teaches children to sing and speak clearly.

父亲教物理；母亲也教课。她教孩子们唱歌、说话要口齿清楚。

youdao

I like singers(musicians) who sing the words clearly.

我喜欢歌词唱得清楚的音乐人。

youdao

I could still remember very clearly that one afternoon when we finished our class, we went to some other classes to sing songs for them, just like what people do in the states on Christmas Eve.

我还记得很清楚，一个下午，当我们完成了我们的类，我们去其他班唱歌，就像人们在圣诞前夕在美国做什么。

youdao

I could still remember very clearly that one afternoon when we finished our class, we went to some other classes to sing songs for them, just like what people do in the states on Christmas Eve.

我还记得很清楚，一个下午，当我们完成了我们的类，我们去其他班唱歌，就像人们在圣诞前夕在美国做什么。

youdao