English Original
A science teacher was giving a biology lecture to his class. "Now," he said, "I'll show you the frog in my pocket." He reached into his pocket and pulled out a chicken sandwich. He looked puzzled for a moment, thought deeply, and said, "That's funny. I distinctly remember eating my lunch."
中文翻译
一位科学老师正在给学生们上生物课。"现在,"他说,"我给你们看看我口袋里的青蛙。"他把手伸进口袋,却拿出了一份鸡肉三明治。他困惑地看了一眼,沉思片刻,说道:"真奇怪。我明明记得我已经把午饭吃掉了。"