water's solid/liquid/gaseous state 水的固态、液态、气态
你可以看下面这段关于水的百科：
Water is a chemical substance with the chemical formula H2O.Its molecule contains one oxygen and two hydrogen atoms connected by covalent bonds.Water is a liquid at ambient conditions,but it often co-exists on Earth with its solid state,ice,and gaseous state (water vapor or steam).Water also exists in a liquid crystal state near hydrophilic surfaces.