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回复 : 《华语音乐打歌中心》是由中共中央宣传部、国家广电总局指导,中央广播电视总台和新华频媒联合出品的全国首档数字时代华语音乐打歌秀。
回复 :In trying to comprehend our universe, just how big is big? How far is far? This users guide to the cosmos will bring the incomprehensible down to a human scale such as Venus melting a tank, the density of a black hole compared to 1000 cars in a Coke can, and the comets in the Solar System equated to grains of sugar weighing half a ton.