| 单词 | buoyancy |
| 释义 | buoyancy /boy"euhn see, booh"yeuhn see/, n. 1. the power to float or rise in a fluid; relative lightness. 2. the power of supporting a body so that it floats; upward pressure exerted by the fluid in which a body is immersed. 3. lightness or resilience of spirit; cheerfulness. Also, buoyance. [1705-15; BUOY(ANT) + -ANCY] |
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