Milk products, including those used to make milk for baby food in China, are the nation's largest export earner.

乳制品，包括在用于生产婴儿配方奶粉的乳制品，是新西兰最大的出口收入来源。

After the presentation, a keeper showed them how to hold the bottle of milk for baby squirrels.

演示结束后，饲养员向他们展示了如何为小松鼠拿奶瓶。