buoyancy
英['bɒɪənsɪ]
美['bɔɪənsi]
- n. 浮力；轻快；轻松的心情；（股票）保持高价或回升
英英释意
- 1. cheerfulness that bubbles to the surface
- 2. the property of something weightless and insubstantial
- 3. irrepressible liveliness and good spirit;
- "I admired his bouyancy and persistent good humor"