Learner's definition of BUOYANCY
[noncount]
1
a : the ability of an object to float in water or air(物體在水或空氣中的)浮性 b : the power of a liquid to make someone or something float(液體的)浮力 2
: the ability of someone or something to continue to be happy, strong, etc., through difficult times(人)樂觀,豁達;(事物)保持強勢