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这个笑话是我在http://www.enread.com/humors/shuangyu/10976.html看到的,什么意思,不明白。有没有高手帮忙解释下。
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. |
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