失重的

例句：

1. 1. The spacecraft was experiencing a free-fall as it descended into the planet's atmosphere.
   太空船在下降到行星大气层时正经历自由落体。
2. 2. The pilot had to decelerate the plane to avoid hitting a flock of birds.
   飞行员不得不减缓飞机速度以避免撞上一群鸟。
3. 3.The car lost weight after the engine overheated and the airbag deployed.
   汽车在引擎过热并展开气囊后减轻了重量。