Beyrichacea
[古生]瘤石介超科
🗣️ 情景例句
Sit down, Robbie. Let's get to work.
坐下来 ，Robbie， 让我们开始做功课吧。
What time do you get up every day?
你每天什么时间起床？
You can enlarge your knowledge and learn some English at the same time.
你可以扩大你的知识面，同时又学习了英语。