二氧化硅 Save Sign in to save words èryǎnghuàguī ㄦˋ ㄧㄤˇ ㄏㄨㄚˋ ㄍㄨㄟ 男 女 silicon dioxide (SiO2) Character by character 二(èr)two 氧(yǎng)oxygen 化(huà)make into 硅(guī)silicon A Chinese word or character, or English Search Sources CC-CEDICT, CC BY-SA 4.0 pinyinjs, Apache-2.0