漂浮
漂浮物
漂浮, 漂浮物, 浮力
the act or state of floating; flotation
buoyancy; power or ability to float
objects or material that float on the surface of the water; flotsam
flossy 丝棉似的...flotage 漂浮...flotant 飞翔的
重力gravity...浮力flotage...速度velocity