热水瓶,外头冷,里面热。我的妈妈就是一个“热水瓶”型的人。在有些原则性的问题上,再怎么求也是毫无用处的。那天早上,我和妈妈一起去广场,我顺便借了胥洋鹏的自行车,让妈妈教我学骑自行车。一开始,我总是害怕摔倒,只要车身稍微倾斜我就 Thermos, outside cold, hot inside. My mother is a “thermos” type person. On some principled issues, it is useless no matter how to seek it. That morning, I went to the square with my mother. By the way, I borrowed the bike of Xu Yangpeng and let my mother teach me to learn to ride a bicycle. At first, I was always afraid to fall, as long as the body tilted me a little