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Buoyancy
01
浮力, 浮遊力
the property of something weightless and insubstantial
02
希望, 楽観
a feeling of hopefulness and confidence that makes one remain cheerful, especially in sad or unpleasant situations
03
浮力, 浮遊性
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
Example
Life jackets rely on buoyancy to keep people safe in water.
Hot air balloons use buoyancy to lift into the sky.
Ships are designed with buoyancy to stay afloat in the ocean.
04
浮遊感, 快活さ
cheerfulness that bubbles to the surface
