Colostrokinin
初乳激肽
🗣️ 情景例句
That's easy.
这很容易。
My uncle is a high school principal.
我的叔叔是一位高中校长。
China is great! We like school, and the food is good too.
中国太棒啦！我们喜欢学校，这里的吃的也挺好。