Eurypterida
板足鲎类
🗣️ 情景例句
Window-shopping is some girls'favorite pastime.
逛街是许多女孩消磨时间的首选方式。
What alternatives do I have?
我有什么选择？
Workers will have completed the new roads by the end of this year.
工人们将在今年年底前把新路铺好；