But the ancient artisans did not know that these gold nanoparticles can be automatically broken down on the glass of pollutants, such as the new color of paint to maintain, but also clean the air.是什么意思_But the ancient artisans did not know that these gold nanoparticles can be automatically broken down on the glass of pollutants, such as the new color of paint to maintain, but also clean the air.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句