Tonstein
n. [地]白土石
🗣️ 情景例句
Since I retired,
自从我退休以后，
I'm sure you need an original signature, not a faxed copy.
我知道你们需要的是原件，不是传真件。
Oh! Well, for that, you'd better find an English pen friend.
哦！那你最好为此找一个英文的笔友。