人们都知道蛙是两栖动物。小时称“蝌蚪”,生活在水中。上岸后才称蛙。生活在陆地上。 但有时它也忽地蹦下水去,那是因为它要喝水或逃命。我们平时看见蛙上窜下跳,一跳到草丛里就很难觅其踪影了。因为“蝌蚪”变成“蛙”后,皮肤也形成了一层保护色,与草的颜色一致,具有很大的隐蔽性。 从蛙变联系到今天社会生活上来,与有些人又是何其相似。这些人当处于低位时,为了有朝一日能向上 People know frogs are amphibians. Hours called “tadpoles”, living in the water. After landing ashore called frogs. Live on land. But sometimes it suddenly jump to the water, it is because it wants to drink or escape. We usually see the frog jumped, jump to the grass it is difficult to find its trace. Because “tadpoles” into a “frog”, the skin also formed a layer of protective color, consistent with the color of the grass, with great concealment. From frog changes to the social life today, and some people are similar. When these people are at a low level, they can go upward one day