inflatable life jacket

例句：

1. 1. Thechildren were playing in the pool, enjoyingthe cool water and sunshine.
   孩子们在游泳池里玩耍，享受着凉爽的水和阳光。
2. 2. The swimmer was wearing an inflatable life jacket to stay afloatduring the race.
   游泳者穿着充气救生衣，以便在比赛中保持浮力。
3. 3. The boat was carrying a group oftourists on an inflatable life jacket.
   这艘船上载着一群游客，他们正在使用充气救生衣。