一天,我骑着心爱的三轮车,在院子里转悠,突然,看见一个和我差不多大的小女孩骑着两轮单车在溜达,速度比我快多了,一次又一次地从我身边超过。“哇,真好,我也要学。”我不禁流露出敬佩之情。可说着容易,做起来就难了。我让妈妈一定给我买一辆单车,并保证一定学好。终于,我的“糖 One day I rode my beloved tricycle and wandered around in the yard. Suddenly, I saw a little girl about my size riding on a bicycle. It was faster than me and again and again over me. “Wow, nice, I have to learn.” I can not help but show the admiration. It's easy to say, it's hard to do. I asked my mom to buy me a bike, and I promise I will learn it. Finally, my "sugar