Double song

双歌───Double song

AD 1189, Prince Gong Song Guangzong first sealed, then Jidi Wei, claiming that" double happy "or Christine the state government of Chongqing, Chongqing, hence the name, dating back over 800 years."───公元1189年，宋光宗先封恭王，后即帝位，自诩“双重喜庆”，升恭州为重庆府，重庆由此得名，距今已有800余年。

Give outed the big stalk the trolley turned the place of method for building steel plate replacing double song way.───给出了大轴距台车转弯处铺设钢板代替双曲弯道的方法。

The song even incorporated the product's slogan, "double your pleasure, double your fun," into the lyrics.───这首歌甚至把该口香糖产品的广告口号“双重快乐，双重乐趣”融入到歌词里面。