| 单词 | catechutannic acid |
| 释义 | > as lemmasˌcatechuˈtannic acid ˌcatechuˈtannic acid n. the tannic acid of catechu. ΚΠ 1863 H. Watts Dict. Chem. I. 817 Catechutannic acid softens when heated, and yields by distillation a yellow empyreumatic oil. < as lemmas |
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