Paleogene
a. & n.[地]早第三纪(的),下第三系(的)
🗣️ 情景例句
What's the matter?
到底发生了什么事？
Oh, I'm just going to take it easy.
哦，我只想休息休息。
Yes, thank you. I've had a wonderful time.
是的，谢谢你。我过得愉快极了。