hand in片语动词KK [hænd ɪn] /hænd ɪn/发音片语动词1交、上交、提交可拆开Please hand in your essays before Friday afternoon.请在星期五下午之前交上你们的论文。2递交、呈上She handed in her resignation after just three months.她只做了三个月就递交了辞呈。3送交、上交可拆开He handed the lost wallet in at the police station.他把捡到的钱包送交到警察局。用这个字练口说→