a sleeveless buoyant or inflatable jacket for keeping a person afloat in water
救生衣。
救生衣
The life jacket failed to inflate.
救生衣未能充气。
Remember your life jacket, then.
记着拿你的救生衣。
You must wear a life jacket.
你必须穿上救生衣。
Remember your life jacket.
记得穿上救生衣。
Where is my life jacket?
我的救生衣在哪里?
a sleeveless buoyant or inflatable jacket for keeping a person afloat in water
救生衣。