When did it start? About two days ago.

它是什么时候开始的?大概两天之前。（注意时态）

youdao

Just after I arrived here about two days ago.

正好在我到达这儿后的两天前。

youdao

I have a fever. When did it begin? About two days ago.

我发烧了。它什么时候开始的？大约两天前。

youdao

I have a fever. When did it begin? About two days ago.

我发烧了。它什么时候开始的？大约两天前。

youdao