noun🔗Share二氧化硅，硅石 Silicon dioxide."The small packets of silica gel in the new shoe box help absorb moisture and keep the leather dry. "新鞋盒里的小包硅胶能吸收湿气，保持皮革干燥。compoundsubstancematerialchemistrygeologymineralChat with AIVocabulary GamePractice Reading
noun🔗Share二氧化硅，硅石 Any of the silica group of the silicate minerals."The construction worker wore a mask to protect his lungs from the fine silica dust created when cutting concrete. "建筑工人戴着口罩，以保护他的肺部免受切割混凝土时产生的细小二氧化硅粉尘的侵害。mineralgeologymaterialsubstancechemistryChat with AIVocabulary GamePractice Reading
