Calclithite
碎屑灰岩; 钙质石屑岩; 灰屑岩
🗣️ 情景例句
There's a park over there. Let's walk in the park for a while.
那边有个公园。我们去散散步吧！
When do you leave?
你何时起程？
Must he stay in bed?
他还必须卧床吗？