Perisphinctes
旋菊石属
🗣️ 情景例句
It's nice to see you again.
很高兴再见到你们。
I think you probably know China has adopted a flexible policy in her foreign trade.
我想你也许已经了解到中国在对外贸易中采取了灵活的政策。
Every year, several classes visit the factory.
每年都有好几个班去参观这家工厂。