Polytropy
多变性, 多变现象
🗣️ 情景例句
Too much tea will brown your teeth, but it's good for your health; so what are you going to do?
茶喝多了会把你的牙齿染黄，但对你的身体去有好处。因此你会怎么办？
These pills can be obtained by prescription only.
这些药丸只有凭医生处方才能买到。
There was a big civil rights march through the centre of Birmingham yesterday.
昨天大规模的民权示威游行经过伯明翰市中心。