假如有人问:水可以转化为土吗?你一定会发笑:这怎么可能呢!可是,在十八世纪中叶以前,不少人相信水可以转化为土,还有人用实验来证明呢。这种观点最早是古希腊一个名叫泰勒斯的学者提出的。公元前六世纪,人们在讨论世界万物的本原时,泰勒斯认为水是最原始的东西,万物都是从水中产生的。他还设想:大地是一个浮在水上的圆盘,天上也有水,所以会下雨。这种看法,遭到许 If someone asks: Can water turn into earth? You must be laughing: how is this possible? However, before the middle of the eighteenth century, many people believed that water could be turned into soil and some people used experiments to prove it. This view was first put forward by a Greek author named Thales. When people discussed the origin of all things in the world in the 6th century BC, Thales thought that water was the most primitive thing and everything was created from the water. He also envisaged: The earth is a floating disk on the water, there is water in the sky, it will rain. This view, was Xu