URL：https://static.vecteezy.com/system/resources/thumbnails/010/484/394/small/state-of-matter-ice-cube-water-and-gas-physical-change-of-solid-liquid-to-gaseous-transition-form-matter-from-hot-to-cold-temperature-vapor-with-cloud-particles-freeze-melt-boiling-vector.jpg
掲載元：https://ar.inspiredpencil.com/pictures-2023/water-vapor-clipart
