Palaeoptera
古翅类
🗣️ 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。
I ate too much candy. I have a toothache.
我吃了太多的糖果。牙齿在痛哩。
What colour is it?
什么颜色的？