air craft的用法和樣例：
例句
- The constant noise of air craft flying overhead gets on everyone's nerves.
連續不斷的習機轟鳴聲老在頭上響著，使得人人心煩意亂。 - As the air craft moves forward, the air flowing over the wings produces lift to raise the aircraft off the ground, and keep it in the air.
當飛機向前移動時，機翼上方的氣流產生向上的力使飛機飛離地面保持在空中不墜。
