Pells
(pell 的复数) n. 一卷羊皮纸
🗣️ 情景例句
It's no big deal.
这没有什么。
In fifty years there'll be twenty people per square yard, it is written here.
这里写着，再过五十年每平方码将要住着20人的人口密度。
when the plane suddenly turned round and flew back to the airport.
这时飞机突然调转头来，飞回了机场。