碳酸钙 tànsuāngài calcium carbonate Definitions Defs Origin Strokes Stroke Words Sentences Sents 碳酸 tànsuān carbonic acid carbonic acid; a weak inorganic acid formed by dissolving 二氧化碳 èryǎnghuàtàn in water, used in making soft drinks and chemicals钙 鈣 gài noun calcium calcium; silvery-white chemical element with symbol Ca
