noun🔗Share飛行機雲An artificial cloud made by the exhaust of jet aircraft or wingtip vortices that precipitate a stream of tiny ice crystals in moist, frigid upper air."The airplane's contrail stretched across the sky, a thin white line marking its path. "飛行機の飛行機雲が空を横切り、その進路を示す細い白い線を描いた。weatherenvironmentsciencephysicstechnicalChat with AIVocabulary GamePractice Reading
