Ecostratigraphy
生态地层学
🗣️ 情景例句
and happy Thanksgiving to you and your family, too.
祝你和你的全家感恩节愉快。
Don't let me down.
不要让我失望。
I feel like going to a museum. It's too wet to go walking around London.
我想去博物馆。我们又不能绕着伦敦到处走走，地太湿了。