夏日傍晚,我们一家去散步。没走多远,儿子惊喜地对我说:“妈妈,你快来看,你的影子比我的影子长这么多!”儿子像发现了新大陆一样,正盯着影子在研究呢!“哦,你想一想为什么会这样呢?”“因为妈妈比我高啊!”儿子回答道。“嗯,你的发现真了不起,原来影子里还藏着这个秘密呢!那你认为爸爸的影子会比妈妈的影子长还是短呢?” Summer evening, our family to go for a walk. Did not go far, the son said to me in surprise: “Mom, you come to see, your shadow is much longer than my shadow!” “Son found the same as the New World, is staring at the shadow in the study! ”Oh, do you think why this is happening? “ ”Because my mother is taller than me!“ Son replied. ”Well, your discovery is really amazing, the original shadow also hides this secret too! Then you think dad’s shadow will be longer or shorter than the shadow of mom?“ ”