i was busy doing experiment 什么意思

题目

i was busy doing experiment 什么意思

答案

I was busy doing experiment.——我当时正忙着做实验.三点特别说明：1.本句是一个过去进行时,在翻译时必须翻译出“过去”和“正在进行”两层含义；2.be busy +doing：固定用法,表示“忙于做什么”；3.experiment：v...