| 单词 | life preserver |
| 释义 | life preserver life preserver n.（名词）1. A buoyant device, usually in the shape of a ring, belt, or jacket, designed to keep a person afloat in the water.救生用具：一种有浮力的装置，通常是圈状、带状或夹克衫状，用途是使人能浮在水中2. Chiefly British A weapon, such as a blackjack.【多用于英国】 护身棒：一种武器，如装有手柄的包革金属棒 |
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