高こう高こう度ど飛ひ行こうMeanings1nounhigh-altitude flyingRefers to flight at high altitudes, typically in aviation or aerospace contexts.高こう高こう度ど飛ひ行こうは気き象しょう条じょう件けんに大おおきく左さ右ゆうされる。High-altitude flying is greatly affected by weather conditions.