Polytropy
多变性, 多变现象
🗣️ 情景例句
The carpet's worn out. Let's put in new wall-to-wall carpeting.
地毯已很破旧了， 我们需要装一套新的。
Great talkers are not great doers.
其人说得多，做得不会多。
It really takes time.
这样太耽误时间了。