I wrote three books before I was twenty-one.

我二十岁之前就写了三本书。

youdao

I wrote three books in the first two years, a record never reached before.

我头两年写了三本书，打破了以往的记录。

youdao

I wrote three books in the first two years, a record never reached before.

我头两年写了三本书，打破了以往的记录。

youdao