while doing sth的意思是“當(dāng)做某事的時(shí)候”，它是whle sb is/was doing sth的省略形式，這種省略原則上要求主句與從句的主語(yǔ)一致。如：He fell asleep while (he was) doing his homework.他做著做著功課就睡著了。

1.Experience is not have done, it is what you have learned while doing it! 經(jīng)驗(yàn)不是你曾經(jīng)做過什么，而是你在做的過程中學(xué)到了什么！

2.While doing experiments, you must make careful observations. 做試驗(yàn)時(shí)，你必須仔細(xì)觀察。

3.While doing the business she is having two young children to care for. 她邊做生意邊照料兩個(gè)年幼的孩子。

4.He had met her while doing a corporate job. 他是在一次合作項(xiàng)目中遇到她的。

5.He likes to listen to music while doing his homework. 他喜歡一邊做作業(yè)，一邊聽音樂。