历史上的今天
历史上的今天---飞翔的梦
OTD in 1905, the Wright Flyer III flew for the first time. It was the third powered aircraft by the Wright Brothers.
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飞机 1015 
科学 3352
OTD in 1905, the Wright Flyer III flew for the first time. It was the third powered aircraft by the Wright Brothers.
