It Must Be Crowded
A teacher is telling his students, The moon is very large. Several millions people can live there.
And a boy laughs and says, It must get crowded when its a crescent moon.
一定很拥挤
一位告诉学生：月亮非常大，上面能住几百人。
一个男孩笑着说：当月亮变成月牙的时候，住在上面的人该多拥挤啊!