请输入您要查询的英文单词：
单词
tannin
释义
tannin
NOUN
C
/ˈtænɪn/
1
a yellow-brown substance from trees and plants used in making leather （用来制革的）丹宁酸，鞣酸
2
a substance in wine that gives it a slightly bitter taste （使酒略带苦味的）丹宁