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小刚的爸爸是花炮厂的技术员。为了检验新产品的质量,厂里决定在一天晚上试放一批焰火,爸爸把小刚也带去参观。五光十色的焰火,把夜空变成了百花园。回家的路上,小刚问爸爸:“焰火为什么五光十色,是不是里面装进了染料,把火焰染成各种颜色了?” 爸爸摇摇头说:“焰火的颜色可不是象染布那样用染料染的,而是通过发色剂在高温下燃烧发出来
Xiaogang's father is a fireworks factory technician. In order to test the quality of new products, the factory decided to put on a batch of fireworks in one night, my father took Xiaogang also visited. Colorful fireworks, the night sky into a hundred gardens. On the way home, Xiao Gang asked Dad: ”Why is the fireworks colorful, is it filled with dye, the flame dyed a variety of colors?“ ”Dad shook his head and said:" The color of fireworks is not like dyed cloth That dyed with dye, but by the hair dye at high temperature combustion issued