Read Edit View history 栲胶 kǎojiāo tannin Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 栲胶/栲膠 · kǎojiāo · tannin 2026/03/04 栲胶 / 栲膠 kǎojiāo tannin tannin 这种树皮富含栲胶，常用于皮革加工。 noun created sense Mar 4, 2026, 02:25 AM