我听过这样一个故事:从前,有一个小男孩,他不懂回声是什么,就跑去问妈妈:“妈妈,回声是什么呀?”“你去大山那里说几句话,到那时我再告诉你,回声是什么。”有一天,孩子去了大山,他对大山说:“你好!你叫什么名字呢?”回声也说道:“你好!你叫什么名字呢?”男孩又说道:“你为什么模仿我的话?”回声也说了同样的话。男孩大叫道: I’ve heard such a story: Once upon a time, there was a little boy who did not know what the echoes were and ran to ask her mother: “Mom, what’s the echo?” “You go to the mountains and say a few words to Then I will tell you again what the echo is. ”“ One day the child went to the mountain and he said to the mountain: ”Hello, what is your name?“ The echo also said: ”Hello! What’s the name? “The boy said again:” Why did you imitate me? "Echo also said the same thing. Boy shouted: