四碳糖 sìtàntáng tetrose Definitions Defs Origin Strokes Stroke Words Sentences Sents 四 sì numeral four the number four; complex form used for financial purposes is 肆 sì碳 tàn noun carbon nonmetallic element (C); the essential component of organic matter, existing in nature as diamond, graphite, and coal糖 táng noun carbohydrate carbohydrate; saccharide
