be busy with
短语词组
- be very busy with sth 忙于
- be busy with homework 会忙着做作业;功课忙;忙着功课
- be busy with writing 忙于写作
- be busy with sty 忙于
- to be busy with 忙着
- be busy with research 忙于研究工作
- be busy with sth 于某事;忙于某事;忙于;忙于做某事
- be busy with detail 忙于对付
- be busy with research work 专心于研究工作 返回 be busy with