Slickolite
[地质]擦痕岩面
🗣️ 情景例句
It's about my grandfather.
是关于我爷爷。
I dropped the letter in the mailbox on the corner.
我把信放到角落上的邮箱里。
Oh, yes, Mr. Chou. We've been looking forward to this.
啊，周先生，我们一直在等着您来。