F. When buying fish, you should first smell it.

当买鱼时，首先你应该闻一闻。

youdao

F. When buying fish, you should first smell it.

18当买鱼时，首先你应该闻一闻。

youdao

F. When buying fish, you should first smell it.

18当买鱼时，首先你应该闻一闻。

youdao