一大早，在我上学前，我需要吃早餐。

Early in the morning, before I go to school, I need to have my breakfast.

youdao

在我离开家去上学前，我给我妈妈留下了一张留言条。

I left a note at home before I went to school.

youdao

那天早上我没吃早饭，因为上学前在练钢琴。

I missed breakfast that morning, because I did my piano practice.

youdao

那天早上我没吃早饭，因为上学前在练钢琴。

I missed breakfast that morning, because I did my piano practice.

youdao