Keratan
角质素
🗣️ 情景例句
I'll see what I can do about it.
我会尽力而为的。
What's the big deal?
这有什么大不了的？
Newspapers exert such tremendous influence that they can not only bring about major changes to the lives of ordinary people but can even overthrow a government.
新闻具有巨大的威力。它们不仅可以给寻常人家的生活带来重大的变化，甚至还能推翻一个政府。