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
A credit card is very useful when you go traveling.
当然旅游的时候，信用卡很有用。
In the multitude of counsellors there is safety.
谋士多，保安全。
The village no longer existed because it had been submerged, and all the valley too.
村庄已不复存在，因为已经为水所淹，山谷也被水淹没了。