A Norwegian scientist, Loof Lirpa, was staying in London,where he was trying to find the secret of how to fly.
A Norwegian scientist, Loof Lirpa, was staying in London,where he was trying to find the secret of how to fly.
一位叫卢夫?勒尔帕的挪威科学家当时住在英国的伦敦，想在那里找到飞行的秘密。