有一天上午，我跟妈妈到菜市场买菜。“牛肉、牛肉、新鲜的牛肉，再不买，就买不到　　一”我循声一看，咦，一个矮矮的穿着油糊糊的白大褂的小男孩。正亮开嗓门起劲地叫卖着。真没想到这老练的叫声竟出自这小男孩之口。 这时，一位老爷爷向他的牛肉摊走来。老爷爷望望牛肉，又 One morning, I went to the vegetable market with my mother to buy food. “Beef, beef, fresh beef, you can not buy one without buying it again.” I glanced at it, 咦 a short little boy in a white lab coat. Is shining his voice to sell. I did not expect this sophisticated voice actually came from the mouth of this boy. At this moment, an old man came to his beef stall. Grandpa looks at the beef, again