Paleocene epoch
un. 古新世\\n
🧩 词语组成解析
n. 古新世纪
🗣️ 情景例句
Hi, Susan.
嗨 Susan。
Better is the neighbour's hen than mine.
人莫知其苗之硕。
On one hand, I was anxious to leave.
一方面，我急于离开山洞。