Copromicrite
粪粒微晶灰岩
🗣️ 情景例句
That's very nice of you, but I really can't.
你太客气了，可我真的非走不可。
What's the typical farm product in this region?
这个地区典型的农产品是什么？
Do you have a calling card?
您有名片吗？