Ceratin
n. =keratin
🔁 扩展释义
【化】 角蛋白【医】 角蛋白
🗣️ 情景例句
My body's exhausted.
我累得不行了。
When were you born?
你是什么时候出生的？
One afternoon she set out from the coast in a small boat and was caught in a storm.
一天下午，她乘小船从海岸出发，遇上了风暴。