Knudsen number
[化] 克努森数
🧩 词语组成解析
n. 努森（M·H·C, 1871-1949, 丹麦物理学家）
🗣️ 情景例句
We are in the red.
我们有亏损。
I will work for you.
我会为你工作。
It's nothing serious. I think you've been very fortunate. Have you ever used the hot-cloth-and-frozen-peas treatment?
不要紧。我认为你非常幸运了。你用过热布---冻豌豆疗法吗？