water phase changes. molecular model of an ice lattice, that melts into liquid water and then evaporates into water vapour (gas) - 固體 個影片檔及 b 捲影像00:18
water phase changes. molecular model of an ice lattice, that melts into liquid water and then evaporates into water vapour (gas) - 固體 個影片檔及 b 捲影像00:15