Permian
a. 二叠纪的, 二叠纪岩的\\nn. 二叠纪(岩)
🗣️ 情景例句
Ellen, why don't you go out to the backyard
Ellen，何不去院子
No man is wise at all times.
智者千虑，必有一失。
It is nine o'clock.Mr.Sawyer usually reads his newspaper at night.But he's not reading his newspaper tonight.
现在是9点钟。索耶先生通常是在晚上看报，但今天晚上他没看报。