Permian
a. 二叠纪的, 二叠纪岩的\\nn. 二叠纪(岩)
🗣️ 情景例句
Thank you.
谢谢。
Are you going to America soon?
你就要去美国了吗？
Much as we may pride ourselves on our good taste,
尽管我们可以自夸自己的鉴赏力如何敏锐，