Permian
a. 二叠纪的, 二叠纪岩的\\nn. 二叠纪(岩)
🗣️ 情景例句
And I didn't sleep well, Daddy told me.
而我总是睡不好。爸爸告诉我的。
I don't think he will get here on time.
我不认为他会准时到这里。
For nearly three and a half centuries she lay at the bottom of Stockholm harbour until her discovery in 1956.
这艘大船在斯德哥尔摩港口的海底躺了将近3个半世纪之后，直到1956年才被发现。