Eurypterida
板足鲎类
🗣️ 情景例句
Good morning. Restaurant Service. May I help you?
早上好，餐厅服务部，能为你效劳吗？
Behave yourself, or I'll shot.
乖乖听命，不然我就开枪。
The airport was built years ago, but for some reason it could not be used then.
机场是许多年前建的，但由于某种原因当时未能启用。