1·The life jacket failed to inflate.
救生衣未能充气。
—— 《牛津词典》
2·Remember your life jacket, then.
记着拿你的救生衣。
3·You must wear a life jacket.
你必须穿上救生衣。
4·Remember your life jacket.
记得穿上救生衣。
5·Where is my life jacket?
我的救生衣在哪里？
6·You need a sleeping bag and a life jacket.
你们要带一个睡袋和一件救生衣。
7·Everyone wears a life jacket while kayaking.
划独木舟的时候，每个人都会穿一件救生衣。
8·All personnel shall wear life jacket at all time.
所有人员应随时穿戴救生衣。
9·The life jacket buoyed her up until help arrived.
救生衣使她浮在水上直到获救。
10·You'll be safe with a life jacket and a helmet on.
穿上救生衣和戴上安全帽你就万无一失了。
1·Where is my life jacket?
我的救生衣在哪里？
2·The planes have the best radios and the most reliable instruments. Each plane has life rafts. Each man has a life jacket. The pilots are very experienced.
飞机有最好的无线电设备，最可靠的仪器。每架飞机都有救生筏。每个人都有一套救生衣。飞行员非常有经验。
3·All personnel shall wear life jacket at all time.
所有人员应随时穿戴救生衣。
4·You can ride in a canoe. Remember your life jacket.
你能乘坐独木舟。记得穿上救生衣。
5·You have to wear special clothing, a helmet and a life jacket, just in case your raft gets turned upside down or sinks.
你得身着特制的服装，戴上头盔，穿上救生衣，以防橡皮筏倾翻或者沉入水中。