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
Now that you mention it, I guess I am.
你们一提起来， 我想我也饿了。
One barking dog sets all street a-barking.
一狗吠声响，狗吠满街坊。
I explained to her that the rich were the enemies of the people of France.
我向她解释，财主老爷才是法国人民的敌人。