单词 | buoyancy |
释义 | Word Frequency buoyancy(ˈbɔɪənsɪ) noun 1. the ability to float in a liquid or to rise in a fluid 2. the property of a fluid to exert an upward force (upthrust) on a body that is wholly or partly submerged in it 3. the ability to recover quickly after setbacks; resilience 4. cheerfulness |
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