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
His wife has himi under her thumb.
他完全受他妻子控制。
I'm receiving guests downstairs.
我在楼下接见客人。
Oh, Pierre, how wonderful! But I don't think we can go. I haven't got an evening dress for the ball! And a new dress costs over four hundred francs.
啊，比尔，太棒了！不过，我想我们去不成。我没有参加舞会的晚礼服啊！而一件新的晚礼服得花400多法郎。