buoyancy
n. 浮力；弹性；心情愉快
近义词：airiness，jazz，resilience，resistance，flexibility，toughness，optimism，cheerfulness，enthusiasm，jauntiness，perkiness，irrepressibility，
英英释义
Noun
- cheerfulness that bubbles to the surface
- the property of something weightless and insubstantial
- the tendency to float in water or other liquid
- irrepressible liveliness and good spirit;
"I admired his buoyancy and persistent good humor"
例句
用作名词(n.)
- Each of the balloons has its own buoyancy.每一个气球有它自己的浮力。
- We tested the boat for its buoyancy.我们测试了这条船的漂浮能力。
- I take up my task with buoyancy and hope.当我挑起这个担子的时候，我是心情愉快、满怀希望的。
- There was a buoyancy in their atmosphere.他们的生活环境里有一种轻松愉快的感觉。