Eurypterida
板足鲎类
🗣️ 情景例句
During our stay in London, we visited Buckingham Place.
我们在伦敦逗留期间参观了白金汉宫。
The law is not the same at morning and at night.
早上的法令跟晚上的不一样；朝令夕改。
Why are you making this journey?
你们为什么要作这样的旅行呢？