集邮

我爸爸喜欢集邮，他已经收集了一百多张邮票。我也养成了收集东西的习惯，但我的习惯与我爸爸不同。我喜欢在参观完一个城市后保留旅游地图。

Last week, I visited the geological museum with my best friend, Liu Bing. It was my first time to go there. The moment we arrived there, we found that the building was grand.