gas bag

例句：

1. 1. The car's gas gauge showed that it needed a fill-up.
   汽车的油表显示需要加油。
2. 2.Gas bags are used to inflate and deflate vehicles during emergencies.
   气体袋在紧急情况下用于充气和放气车辆。
3. 3. Before the game, the team had to check their gas bags for any leaks.
   比赛前，队伍必须检查他们的气体袋是否有泄漏。