Dolostone
白云岩
🗣️ 情景例句
Is this bus going to Dallas?
这车开往达拉斯吗？
The restaurant was full, so we decided to go somewhere else.
那餐厅客满了，我们决定到其他的地方去。
for one of the necessary conditions of preservation is quick burial,
因为保存的必要条件之一是迅速掩埋，