放学走出校门 ,吆喝声、车铃声、讨价还价声……交织在一起 ,像一首没有指挥的大合唱。这时 ,总会有一种浑厚、悠长的叫卖声夹杂着一股浓浓的香味随风而来 ,我们常常禁不住诱惑来到那位卖烤白薯的老伯面前。老伯的脸部爬满了又深又密的皱纹 ,可他的脸色却是黑红黑红的 ,看样子 After school out of the school gate, shouting, car ringing sound, bargaining sound ... ... intertwined, like a chant without a command. At this time, there will always be a vigorous, long bangs mixed with a thick fragrance of the wind, we often can not help temptation came to the old man selling roasted sweet potatoes in front of. Old man’s face covered with deep and dense wrinkles, but his face is black and red and black, it seems