我有一根教鞭,是像老式电视天线一样,由细到粗共七节,一节一节套在一起、伸缩自如的那种。这根教鞭,到我手上的时候只剩六节了,而且,它银色不锈钢的外表也已锈迹斑斑。它的主人是我的恩师——郑榕。25年前,在我小学即将毕业那年,我遇到了郑老师。他是上山下乡时期从福州来到我们这个小城的,一呆几十年,扎根在这儿了,教数学。据说,他常年“坐镇”毕业班。郑老师又瘦又高,十分严厉。年幼的我对他很 I have a pointer, the same as the old TV antenna, from coarse to coarse total of seven sections, a section of a set together, the kind of retractable. This pointer, in my hand when only six sections, and, it also has a rusty silver stainless steel exterior. Its owner is my teacher - Zheng Rong. 25 years ago, in my primary school that year, I met Zheng teacher. He came to our small town from Fuzhou during the going to the countryside to go to work in the countryside. For a few decades, he took root here and taught mathematics. It is said that he perennial “Sit ” graduating class. Teacher Zheng is tall and thin, very harsh. I am young to him