| 单词 | 有浮力 |
| 释义 | DEFINITIVE EXAMPLES 权威例句〔buoyant〕A boat must be made of buoyant material.船一定要用有浮力的材料来做。牛津同义词〔buoyant〕Balloons can float because air is buoyant.气球能飘浮,因为空气有浮力。英汉大词典〔life buoy〕A buoyant device, such as a cork or polystyrene ring, for keeping a person afloat in water.救生圈，救生衣：一种有浮力的装置，如软木或聚苯乙烯圈，用来使人能浮在水中美国传统〔life preserver〕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美国传统 |
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