航天员翟志刚身穿中国研制的飞天”舱外服,从七号载人飞船进入太空。 This is a major leap forward in the development of China's space technology. 这是中国空间技术发展的一个重大跨越。 Zhai Zhigang's small step in space i
I and Olympic Games Olympic Games is window, I keep watch. This is a maximum window, had been rubbed bright. Through it, those that see are worlds. Here, it is changing every day, here burgeoningthing
Scientists think that there has been life on Earth for millions of year. However, we haven’t found life on other planets yet. Because none of them has an environment with air, people and things can’t
Space is one of the few fundamental quantities in physics, meaning that it cannot be defined via other quantities because there is nothing more fundamental known at present. Thus, similar to the definition of other fundam
大灌篮2
