今天上化学课,我们做了钠与水反应的实验,它似乎向我们展示了一个人的成长经历……老师取出一点钠,用小刀敏捷地切开。钠露出银白色的光泽。在世界上的某个地方,某一个时间里,有一个新生的婴儿用一声嘹亮的啼哭,唤起了人们关注的目光,一个单纯的人诞生了。他不知道善和恶,他甚 Today, in the chemistry class, we did an experiment on the reaction between sodium and water. It seems to us to show one’s growth experience. The teacher took a little sodium and cut it sharply with a knife. Sodium shows silvery white luster. Somewhere in the world, at some time, a newborn baby elicited a glaring cry with a loud cry, and a simple person was born. He did not know good and evil, he did