如今科学发展日新月异,人类对自然的探索成绩斐然。然而,对于人类自己那些平常事,我们却始终未能解答。人类攀登过世界上最高的山峰,探测过最深的大洋,还在月球上打过高尔夫球,但是仍然有一个领域对我们来说神秘莫测:我们自己的身体。你也许以为有一些寻常现象肯定在很久以前就被解释清楚了,可实际上你要是问科学家这些简单的问题,他也最多只能对你耸耸肩。打哈欠打哈欠这种行为令专 Nowadays, with the rapid development of science and technology, mankind has made remarkable explorations of nature. However, we have not been able to answer the usual questions about ourselves. Humans climbed the tallest mountain in the world, explored the deepest ocean, and played golf on the moon, but there is still one area that is mysterious to us: our own body. You may think that some unusual phenomena have certainly been explained a long time ago. In fact, if you ask the scientist these simple questions, he can only shrug you up to you. Yawn yawn