忙于做某事用英语如何说
be busy doing something.例句如下:I am busy cooking.我忙着做饭。 she is busy studying.她忙着学习。 they are busy singing.她们忙着唱歌。 we are busy traveling.我们忙着旅游。 children are busy playing.孩子们忙着玩耍。 what are you busy doing?你们忙什么？...
be busy doing something.例句如下:I am busy cooking.我忙着做饭。 she is busy studying.她忙着学习。 they are busy singing.她们忙着唱歌。 we are busy traveling.我们忙着旅游。 children are busy playing.孩子们忙着玩耍。 what are you busy doing?你们忙什么？...