by busydoingsth 造句
be busy doing sth 忙于做某事 1 The students are busy doing their homework. 学生们正忙着做作业。 2 The boy is busy playing computer games. 这个男孩正忙着玩电脑游戏。 3 The workers are busy working. 工人们正忙着工作...
be busy doing sth 忙于做某事 1 The students are busy doing their homework. 学生们正忙着做作业。 2 The boy is busy playing computer games. 这个男孩正忙着玩电脑游戏。 3 The workers are busy working. 工人们正忙着工作...