Lacticcasein
乳酪素
??? 情景例句
The way to learn a language is to practice speaking it as often as possible.
學習一門語言的方法就是要盡量多地操練說出它來。
We want to raise our children to be decent men and women.
我們要把我們的孩子培養成正派人。
Are there any trees in the picture?
畫里面有樹嗎？