Keratosulphate
n. [生化]硫酸角质
🗣️ 情景例句
How long will this letter take to get there?
这封信需要多长时间到那儿？
Know thyself.
知道你自己。
Some friends of my family had this irritating habit.
我家有几个朋友就有这有令人恼火的习惯。