Catechinic tanning material
[化] 儿茶类鞣料
🧩 词语组成解析
n. 鞣皮, 制革法, 晒成褐色\\n[化] 制革; 鞣制
material
[mə'tɪrɪəl]
n. 材料，原料;素材;布，织物;适当人选;
adj. 物质的;肉体的;重要的，决定性的;辩证的，推论的;
🗣️ 情景例句
I think I want to study journalism
我想学新闻学
They've been married for quite a few years.
他们结婚好多年了。
In this shop you can buy school things.
你可以在这个商店里买到学习用品。