课已经上了二十分钟。王老师在“讲故事”以後,照例要“解释生字新词”了。“先听我讲一遍。”王老师把生字抄上黑板以後,招呼着孩子们:“照明弹——晚上用来照亮的子弹。你们该还记得去年国庆节的晚上,天空中那圆圆的很亮的东西,就是照明弹。” The class has been on for twenty minutes. After “telling the story,” Wang as usual, “to explain new words”. “Listen to me first.” After she copied her characters into a blackboard, she greeted the children: “Flares - bullets used to illuminate at night. You should still remember the night of the National Day last year, the round The very bright thing is the flare. ”