Packstone
泥粒灰岩
🗣️ 情景例句
You won't believe this,
简直不会相信，
May I introduce you to my friend Susan?
恕我介绍一下我的朋友苏珊。
You might as well throw your money away as spend it in gambling.
你与其把钱花在赌博上，不如把它丢掉的好。