男孩不顾父亲的反对，还是冒险加入战斗，用他发明的武器击中了一条神秘的夜煞龙。 但他却不忍心杀死这条龙，而且与那只被他起名为"无牙"的夜煞龙产生了友谊。
Regardless, Hiccup ventures out into battle and downs a mysterious Night Fury dragon with his invention, but can't bring himself to kill it.
1994年，布拉德利起诉了凯龙公司，为了取消它的专利，把他列为共同的发明人，并要求损害和名誉赔偿。
In 1994 Bradley sued Chiron, seeking to invalidate the patent, have himself included as a co-inventor, and receive damages and royalty income.
作为一名受人尊敬的数学家，龙比亚被誊为对数的发明者。
An eminent mathematician, he is regarded as the inventor of the system of logarithms.
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