| 释义 |
tan·ninBrE /ˈtænɪn/ NAmE /ˈtænɪn/ (also ˌtannic ˈacid ) noun [U ]a yellowish or brownish substance found in the barkof some trees and the fruit of many plants , used especially in making leather , ink and wine 单宁；单宁酸；鞣质▸ tan·nicBrE /ˈtænɪk/ NAmE /ˈtænɪk/ adjective |