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课堂上,老师问学生:“水是很有力量的物体。滴水可穿石,洪水可摧毁房屋,瀑布可以在坚硬的大地上冲刷出洞穴。什么状态下的水是最有力量的呢?”学生们纷纷猜测,有的说是海啸,有的说是暴雨,有的说是漩涡。老师摇了摇头,取出一只水杯,装满水,对学生们说:“静止时的水才最有力量。”看着学生一脸的惊奇,老师说:“我们可以改变物质的分子结构,制造更加坚硬的物质,让它承受住长年累月的滴水冲击,也可以建造更加坚固的房屋与堤坝,让它
In class, the teacher asks the students: ”Water is a very powerful object, dripping water can pass through rocks, floods can destroy houses, and waterfalls can scour out of caves on a hard earth. What water is the most powerful? “Students have speculated that some said that the tsunami, and some said it was heavy rain, and some say is a whirlpool. The teacher shook his head and took out a glass filled with water and said to the students: ”The water is most powerful when still.“ ”Looking at the students’ surprise, the teacher said:" We can change the material The molecular structure, making harder material, allows it to withstand the effects of years of dripping water and to build more sturdy houses and embankments that will allow it