我的妈妈正在做早饭。

My mother is making breakfast.

youdao

我的妈妈正在做饭与此同时我的爸爸在读书。

My mother was cooking while my father was reading.

youdao

妈妈，你在做什么？我的肚子饿的咕咕直叫，我已经一整天没吃东西了。

Mom, what are you cooking? My stomach is growling. I haven't eaten all day.

youdao

我看到了正在做针线活的妈妈，她的一举一动，仍然是我小时候的样子。

And I see Mother, sewing there, as she did when I was a little boy.

youdao

昨天我回家的时候正好看见妈妈在做饭。

I saw mum cooking when I got home yesterday.

youdao

昨天晚上妈妈回家的时候，我正在做家庭作业。

I was doing my homework when my mother came back home yesterday evening.

youdao

我起来的时候，妈妈正在做饭。

When I got up, my mother was cooking.

youdao

妈妈做饭的时候，我在做作业。

While Mum was cooking dinner, I was doing my homework.

youdao

妈妈做饭的时候，我在做作业。

While Mum was cooking dinner, I was doing my homework.

youdao