weightless
01
無重力の, 重量がない
having or seeming to have no or little weight, caused by the absence of gravity
例
Objects inside the spacecraft become weightless once it reaches orbit around the Earth.
宇宙船内の物体は、地球の周回軌道に到達すると無重力になります。
語彙ツリー
weightlessness
weightless
weight
