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

当买鱼时，首先你应该闻一闻。

youdao

The BY-F swordtail fish are susceptible to develop cataract.

剑尾鱼是白内障的易发群体。

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