克里斯·冯·德阿赫开创了在棒球场吃热狗的美国传统，使得热狗更受欢迎了。
Chris Von Der Ahe started the American tradition of eating hot dogs at baseball parks, making hot dogs more popular.
世界第一架喷气式飞机在德国北部的马里奈赫作第一次飞行。飞机引擎为冯·奥海因博士所设计。
The world's first jet-propelled aeroplane, with engine designed by Dr Von Ohain, made its first flight, at Marienehe in North Germany.
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