Cordierite
n. 堇青石
🗣️ 情景例句
Quit whining.
别诉苦了。
My cousin is a member of a stamp club, He seems stamp collecting.
我的表兄是一个集邮俱乐部成员，他似乎很喜欢集邮。
I didn't know he was the richest person in the world.
我不知道他是世界上最有钱的人。