Polytropic efficiency
[化] 多变效率
🧩 词语组成解析
a. [昆]多花采蜜的,多花采粉的
🗣️ 情景例句
I know, Sam.
我知道，Sam。
Waste not,want not.
俭以防匮。
It had broken down the previous summer, and though I promised to repair it, I had never got round to it.
那台割草机去年夏天就坏了，尽管我答应修，但一直没抽出时间，