Echinite
n. 海胆化石
🗣️ 情景例句
Thank you, Mr. Riley. We'll read this over carefully.
谢谢你 Riley先生。我们会仔细阅读这些。
It's bleeding.You'd better go see a doctor about that cut.
它正在流血. 你最好为那个刀口去看医生。
So far so good.
到目前为止，一切都好。