Maybelie | 莓煲莲
Sunday, September 21, 2008
醋酸与冰醋酸的区别
毕业论文答辩中.
老师: 请你说说醋酸与冰醋酸的区别.
学生: 呃... 冰醋酸的温度低一点.
老师: ...!
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