noun🔗Share凝结尾迹, 飞机云。 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. "那架飞机的凝结尾迹横跨天空,像一道细细的白线,标示着它的航迹。weatherenvironmentsciencephysicstechnicalChat with AIVocabulary GamePractice Reading