| 单词 | 儿茶 |
| 释义 | 〔catechu〕A spiny Asian tree(Acacia catechu) having bipinnately compound leaves, spikes of yellow flowers, and dark heartwood. 儿茶树：一种亚洲生多刺木（儿茶 金合欢属） ，有两羽状复叶、穗状黄花和深色心材 〔catechu〕A raw material obtained from the heartwood of this plant, used in the preparation of tannins and brown dyes. Also called cutch 儿茶：从这种植物的心材中提取的原料，用于生产单宁酸和棕色染料 也作 cutch〔catechin〕A crystalline substance, C15H 14O 6, derived from catechu and used in tanning and dyeing. Also called catechol 儿茶酸：一种晶体物质，C15H 14O 6，来源于儿茶，用于制革和染色 也作 catechol |
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