我不知道具体细节，他是一个人去的，他只是把我们需要说的话都打印了出来。

I don't know the specifics; no one else went with him.

youdao

我不知道此试验的很多细节。

I don't have great detail about that trial.

youdao

我不知道此试验的很多细节。

I don't have great detail about that trial.

youdao