Pliocene epoch
un. 上新世
🧩 词语组成解析
n. 上新世, 上新世岩
🗣️ 情景例句
She was sick so the didn't attend her classes.
她生病了，所以没上学。
The man is surveying land for a national park.
这个人正在测量国家公园的土地
As Earth-dwellers, we always cherish the hope that we will be visited by little green men and that we will be able to communicate with them.
小绿人来拜访我们，而我们可以和他们交流。