一天,爷爷问我一个奇怪的问题:“你见过方形的鸡蛋吗?”我想都没想就说:“我们看到的鸡蛋都是圆的,怎么会有方形的呢?”爷爷笑着说:“那你能不能制造一个方形的鸡蛋呢?运动脑筋吧。”这个问题起先真把我难住了,后来我想,关键是使蛋壳变软,蛋壳软化后就可以改变鸡蛋的形状。可是怎 One day, my grandfather asked me a strange question: “Have you seen a square egg?” I thought without saying, “The eggs we saw are all round. How can we have a square?” Grandpa laughed Said: “Then you can not make a square egg it? Exercise brains.” This question at first really put me hard, and later I think the key is to make the shell soft, eggshell softening can change the egg shape. But how