飛行機

Tori wa karui gasu ni te ukandeiru no de wa nai to iu koto ni kokorozuite, kūki no teikōryoku o riyō shite kūchū ni ukabi, shikashite hikō sen to suru tokoro no hikōki (furaingu mashin) o hatsumei sen to kuwadateta tokoro no jinshi mo korai sukunaku arimasen.There is no shortage of people from ancient times who, after realising that birds do not float upon a light gas, have plotted to invent flying machines that fly by floating in the air by using air resistance.