然后让这些鱼看着其它鱼进食，但是饲料箱调换了位置。

Then the fish watched other fish eat, but the feeders were switched.

youdao

然后让这些鱼看着其它鱼进食，但是饲料箱调换了位置。

Then the fish watched other fish eat, but the feeders were switched.

youdao