Exocycloida
外环形棘皮目
🗣️ 情景例句
Let's go to see a show.
我们一起去看场电影吧。
What is bred in the bone will not go out of the flesh.
生于骨中者不会出肉外。
The Australian seasons are the opposite.
澳大利亚的季节正好相反。