Polytropy
多变性, 多变现象
🗣️ 情景例句
I don't see why you are kicking up such a fuss.
我不明白你为什么要这样小题大作。
If you want the trunk, look in the attic.
如果你要箱子，就在阁楼上。
Many strange new means of transport have been developed in our century,
本世纪已研制出许多新奇的交通工具，