我也不知道怎么会这样。三个半小时就这么浪费过去了。

I don't know how it's happened. Three and a half hours have just vanished.

youdao

我也不知道怎么会这样。三个半小时就这么浪费过去了。

I don't know how it's happened. Three and a half hours have just vanished.

youdao