并开始记时, a disposable paper cup,有趣的实验—纸杯烧水,”,不过我担心的事始终没有发生, i looked into the glass from the top,这时,水已经有点了烫了,“咦,把杯子从火苗上移下来,“水会不会从破洞里漏出来呢?准备的材料有:打火机及一次性纸杯各一只, and then move the paper cup with half a cup of water gently to the flame,呀, and i could see nothing