be busy with
短语词组
- be very busy with sth 忙於
- be busy with homework 會忙著做作業;功課忙;忙著功課
- be busy with writing 忙於寫作
- be busy with sty 忙於
- to be busy with 忙著
- be busy with research 忙於研究工作
- be busy with sth 於某事;忙於某事;忙於;忙於做某事
- be busy with detail 忙於對付
- be busy with research work 專心於研究工作 返回 be busy with