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life preserver

（美）救生用具；（英）护身棒

1、救生用具

... life preserver 救生具 life preserver 救生用具 life raft autoreleasing 救生筏自动释放 ...

2、救生工具

...life peeress 终身女贵族life preserver 救生工具life president 终身总统 ...

3、救生圈

如孩子在进入泳池前，外教老师会教孩子们如何用英语说：游泳（swimming）、救生圈（life preserver）、滚筒（water roller）等等单词。老师们还会把单词应用在句子中，通过真实的场景模拟，提高孩子的英语应用能力。

life expectation preserver救生具

Mct Diver Life Preserver反恐潜水救生衣

personal life preserver水上个体救生具

Life preserver's non-maintenance question救生设备的非保养性问题

经济学

交通运输工程

n.rescue equipment consisting of a buoyant belt or jacket to keep a person from drowning

同义词：preserverflotation device

1.
N-COUNT（可数名词） A life preserver is something such as a jacket, belt or ring, which helps you to float when you have fallen into deep water. 救生用具 [美国英语]

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