益生菌产品已经出现很长时间了，多数是以乳制品添加剂的形式出现的。

Probiotics have been around for a long time, mostly in the form of dietary supplements.

youdao

益生菌产品已经出现很长时间了，多数是以乳制品添加剂的形式出现的。

Probiotics have been around for a long time, mostly in the form of dietary supplements.

youdao