buoyant
英 ['bɒɪənt]
美['bujənt]
	    - adj. 轻快的;有浮力的;上涨的
 
英英释意
- 1. tending to float on a liquid or rise in air or gas;
 - "buoyant balloons"
 - "buoyant balsawood boats"
 - "a floaty scarf"
 
- 2. characterized by liveliness and light-heartedness;
 - "buoyant spirits"
 - "his quick wit and chirpy humor"
 - "looking bright and well and chirpy"
 - "a perky little widow in her 70s"