Karstenite
硬石膏
🗣️ 情景例句
This has been a great learning experience for us, Marilyn.
这对我们是一次很好的学习经验， Marilyn。
The friar preached against stealing and had a goose in his sleeve.
嘴上真君子，行动烂小人。
The road divides here.
这条路在这里分岔。