全球每年所消费的蛋白质中有20%是乳及乳制品提供的。

Milk and milk products provide about 20% of the total protein consumed across the world.

youdao

全球每年所消费的蛋白质中有20%是乳及乳制品提供的。

Milk and milk products provide about 20% of the total protein consumed across the world.

youdao