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
We must prepare ourselves to have a hard time.
我们必须准备过艰苦的日子。
Please tell us the Article Number of the Product.
请您把商品货号告诉我们。
The pilot managed to circle the balloon for some time.
飞行员设法绕着气球飞了一阵。