        我们经常会说：中国的历史有“上下五千年”。那是从“三皇五帝“开始算起的。We often say that the history of China is " From BC to AD, there are five thousand years of time.". That's from the Three Kings and Five Emperors.
        真正有准确年代记载的，是从公元前2146年的“夏朝”开始，到1911年“清朝”结束，大致经历了18个皇朝。The real accurate chronological records, from the "Xia Dynasty" in 2146 BC to the end of the "Qing Dynasty" in 1911, roughly experienced 18 imperial dynasties.


新鲜事儿（Anecdote）

中国历史上的“北魏”

南京的梧桐树真正的名字叫“悬铃木”。So its real name is " plane ".
悬铃木的果实有一个球的、叫“一球悬铃木”，三个球的叫“三球悬铃木”。The fruit of sycamore with one ball is called "Sycamore with one ball", and the fruit with three balls is called "Sycamore with three balls".
这二者的杂交，产生了“二球悬铃木，简称”悬铃木“。The hybrid of these two, produced "two ball sycamore, short for" Sycamore."
那为什么叫“法国梧桐“呢？因为它的确与法国有些渊源。Why is it called " plane "? Because it does have something to do with France.
1872年，一位法国传教士在南京的石鼓路栽下了第一棵梧桐树。In 1872, a French missionary planted the first plane tree on Shigu Road in Nanjing.


南京的梧桐树

此话不假。”都江堰”、这个世界水利文化的鼻祖，是一座屹立了超过2000年的水利建设的丰碑，今天仍在使用。That's true." Dujiangyan, the ancestor of the world's water conservancy culture, is a monument of water conservancy construction that has stood for more than 2,000 years and is still in use today.
它的建立，让成都平原变成了千里沃野,也使四川一跃成为“天府之国”。 Its establishment transformed the Chengdu Plain into a fertile field and made Sichuan a "land of abundance".
这是公元前276年（秦昭王后期）蜀郡守李冰组织岷江两岸人民、花了25年建成的。It was built in 276 BC by Li Bing, Governor of Shu County, who organized the people on both sides of the Minjiang River and took 25 years to build.


万事资灌溉

提起甘肃，人们脑海中很少会出现车水马龙的繁华或花红柳树的秀美。When it comes to Gansu, the bustling traffic and the beauty of red flowers and willows rarely appear in people's minds.
十有八九会浮现出很多历久弥新、脍炙人口的诗词佳句。Nine times out of ten, there will be a lot of old and popular poetry sentences.
比如：such as
《诗经》中有一首叫《蒹葭（jiān jiā）》的诗歌这样写道：There is a poem in the Book of Songs called "jian jia" that goes like this:
（《诗经》是中国最早的诗歌集，收集于西周初年至春秋中叶（即前11世纪至前6世纪）。The Book of Songs is the earliest poetry collection in China, which was collected from the early Western Zhou Dynasty to the middle of the Spring and Autumn period. (i.e. from the 11th century BC to the 6th century BC）
蒹葭苍苍，白露为霜。Reeds green, white dew for frost.
所谓伊人，在水一方。The beautiful girl is on the other side of the water.
