朋友们,你们看到过正在粘蝇纸上遭遇非必要碰撞的苍蝇吗?小苍蝇约翰第一次进城时,他的妈妈对他千叮咛万嘱咐:“记住,孩子,千万不要靠近粘蝇纸,你可怜的爸爸就是在那儿丧命的!”小约翰将这一句话背诵了一遍一遍又一遍,然后与众多的小 Friends, have you ever seen flies that have been subjected to non-essential collisions on sticky paper? The first time John flies to the city, his mother told him: “Remember, children, do not Near the sticky fly paper, your poor father was dead there! ”Little John recited the phrase over and over again,