Prekeratin
[化] 前角蛋白
🗣️ 情景例句
You get one point for each letter,
一个字母可得一分。
They are so busy these days, that they don't even have time for their friends.
他们最近忙得没法和朋友见面。
From both maturity to death, a wave is subject to the same laws as any other'living'thing.
从成熟到消亡，波浪和其他任何活动中"的东西一样，都受制于共同的法则。