noun 下载 🔗分享 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. Examples : "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。 weather environment science physics technical 与AI对话词汇游戏阅读练习
