wing area

例句：

1. 1. The airplane's wingspan is 50 feet long.
   这架飞机的翼展为50英尺。
2. 2.The pilot needs to maintain a safe distance from the aircraft's wingspan.
   飞行员需要保持与飞机翼展安全距离。
3. 3.The wings of the bird are designed to increase its wingspan for flight.
   鸟的翅膀设计成增加翼展以利于飞行。