tannin
US /ˈtæn.ɪn/
UK /ˈtæn.ɪn/
名词
单宁
a yellowish or brownish bitter-tasting organic substance present in some galls, barks, and other plant tissues, used in leather production and ink manufacture. It is also found in red wine, tea, and some fruits, contributing to their astringency.
示例:
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The strong tea had a high concentration of tannin.
浓茶中含有高浓度的单宁。
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Red wines are known for their rich tannin content.
红酒以其丰富的单宁含量而闻名。