backswept wing

例句：

1. 1.The aircraft has a backswept wing design to improve its maneuverability.
   这架飞机采用了后掠翼设计，以提高其机动性。
2. 2. The backswept wing is a key feature of the aircraft's design.
   后掠翼是该飞机设计的关键特征。
3. 3. In some cases, the backswept wing can be used to reduce drag and increase speed.
   在某些情况下，后掠翼可以用来减少阻力并提高速度。