1. 鳥不會飛的不能飛行的。用于指企鵝等某類鳥
   Incapable of flying. Used of certain birds, such as the penguin.
2. 飛機各種能夠飛行的帶翼交通工具，通常比空氣重，用噴氣式發(fā)動機或螺旋槳驅(qū)動
   Any of various winged vehicles capable of flight, generally heavier than air and driven by jet engines or propellers.
3. 我們飛行的高度是35000英尺。
   We're flying at 35000 feet.
4. 要射中飛行中的小鳥，尤其是高空飛行的小鳥，非常困難。
   It is difficult to shoot a flying bird, especially a small bird flying high up in the sky.

飛行的英語翻譯：