Water (H2O) molecules. Molecular structure model of water molecule (ball-and-stick model). Polar inorganic compound tasteless and odorless liquid. Red=O white=H._站酷海洛_正版图片_视频_字体_音乐素材交易平台

Water (H2O) molecules. Molecular structure model of water molecule (ball-and-stick model). Polar inorganic compound tasteless and odorless liquid. Red=O white=H.