Keratoprotein
[医] 角质蛋白
🗣️ 情景例句
Hello, Mr. Carlson.
哈喽， Carlson先生。
I thought about going to my sister's. How about you?
我想去姐姐家玩，你呢？
climbed up the dunes, and sat down on a road.
爬上沙丘，最后停在路上。