単たん独どく飛ひ行こうたんどくひこうじ字FuriganaMeanings1nounsolo flightRefers to a flight made alone, especially in aviation contexts such as a student pilot's first solo flight.彼かれは昨日きのう、初はじめての単たん独どく飛ひ行こうに成せい功こうした。
