“飞行”造句
在1,000英尺的高度
飞行时，他听到旋翼发出一种奇怪的噪音。
Flying at 1,000 ft. he heard a peculiar noise from the rotors.
至少有4架高空
飞行战斗机不得不采取避让行动。
At least four high-flying warplanes had to take evasive action.
这比大多数亚音速飞机的
飞行高度高20,000英尺。
This is 20,000 feet higher than most subsonic airliners.