Knudsen diffusion
[化] 克努森扩散
🧩 词语组成解析
n. 努森（M·H·C, 1871-1949, 丹麦物理学家）
🗣️ 情景例句
I'd like to have this check cashed.
我想将这张支票兑现。
Did you tell him yourself?
你自己亲自告诉他吗？
People had to use other ways to record information.
人们只得使用其他方法记录资料。