titaniumdioxide造句
例句與造句
- Chemical filters are generally used in combination in order to get sufficient protection against UV . The reflection and scattering effecst are done by physical UV filters which are inorganic UV filters such as titaniumdioxide ( TiO 2 ) and zinc oxide ( ZnO ).
- It's difficult to find titaniumdioxide in a sentence. 用titaniumdioxide造句挺難的