Polytropy
多变性, 多变现象
🗣️ 情景例句
It's certainly a pleasure to meet you.
认识你真是我的荣幸。
To push a baby carriage
推婴儿车
He was a shrewd and wealthy businessman, but most people in the town hardly knew anything about this side of his life.
他是个精明能干、有钱的商人，但镇上大部分人对他生活中的这一个方面几乎一无所知。