關於水的笑話

An instructor in chemical warfare asked soldiers in his class: Anyone knows the formula for water?

Sure. That's easy, said one man.

What is it?

H, I, J, K, L, M, N, O.

What, what? reasked the instructor.

H to O, explained the chemistry expert.中文翻譯：
生化戰爭課的老師在課堂上問士兵們：誰知道水的分子式？

當然，太簡單了。一個士兵回答道。

是什麼？

H, I, J, K, L, M, N, O.

什麼，什麼？老師又問道。

H to O，化學專家解釋道。