除此之外，他们还会喂以人工合成色以素赋予鲑鱼粉红的肉色。

They have to be fed a synthetic pigment to give them their pink color.

youdao

除此之外，他们还会喂以人工合成色以素赋予鲑鱼粉红的肉色。

They have to be fed a synthetic pigment to give them their pink color.

youdao