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The Four Symbols and Twenty-Eight Mansions 四象二十八宿

In ancient China, the twenty eight stars near the ecliptic were called "the twenty eight mansions", which were used to mark the traveling positions of the sun and the moon as wells as to detect the time and seasons. In order to make it easy for memorizing, people divided the sky ecliptic into four regions, each assigned with an animal to stand for it. They are Azure Dragon on the east, White Tiger on the west, Vermilion Bird on the south and Black Tortoise on the north. Each region contains seven mansions. The four creatures are collectively called "the Four Symbols".

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神发明:能喝的防晒液,你敢试吗?

导读:日前,美国一家公司研制出了世界首款可以喝的防晒液,出门前一小时喝2毫升就可以了。你敢试吗?
 
据报道,这款防晒液被命名为“Harmonised H20 UV”,防晒功效等同SPF值30。也就是说你去海滩玩耍时,也可以尽情地晒日光浴而不必担心被灼伤了。

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