Knudsen effect
[化] 克努森效应
🧩 词语组成解析
n. 努森（M·H·C, 1871-1949, 丹麦物理学家）
🗣️ 情景例句
Don't forget to write.
别忘了给我写信。
I'd like a refund on this ticket.
我要退这张票。
I mean you eat too much food, but you don't take enough exercise, said the doctor.
“我的意思是你吃得太多，但运动不够，”医生说。