Buoyancy
01
浮力, 轻盈
the property of something weightless and insubstantial
语法信息
有生性状态
抽象
形态构成
复合词
不可数
02
乐观, 自信
a feeling of hopefulness and confidence that makes one remain cheerful, especially in sad or unpleasant situations
03
浮力, 阿基米德原理
the tendency of an object to float or rise in a fluid, like water or air, due to the upward force exerted by the fluid
例子
Hot air balloons use buoyancy to lift into the sky.
热气球利用浮力升入天空。
04
欢快, 快乐
cheerfulness that bubbles to the surface
