buoyant density的用法和樣例：
例句
- Flotation is a process for separating low density solids or liquid particles from a liquid phase.
浮選是從液體中分離出低密度固體物或液態顆粒。 - To do this, the glider would contain a waxy gel that changes density under different temperature conditions, thus changing its buoyancy.
要達到這個目標，滑翔機將會包含一種蠟色膠體，能夠在不同溫度下改變密度，這樣來改變它的浮性。
