K-factors
(K-factor 的复数) [医] K系数, [中子]增殖系数
🧩 词语组成解析
n. 因素（factor的复数）
🗣️ 情景例句
It's cold outside.
外面很冷。
The grass is greener on the other side.
草是另一边的绿。
I know it's not necessary. I want to do it.
我知道不必这样，可是我愿付？/span>