tannin

n [U] any of various compounds obtained from the bark of oak and other trees and used in tanning, dyeing, etc 鞣酸; 单宁; 单宁酸.

tandoori, tang, tangent, tangential, tangerine, tangibility, tangible, tangibly, tangle, tangled, tangly, tango, tangy, tank, tankard, tanker, tanner, tannery, tannic, tannic acid, Tannoy, tantalize, tantalize, tantalise, tantalizing, tantalising, tantalizingly, tantalisingly, tantamount, tantrum, tap, tap-dance, tap-dancer, tap-dancing, tap-root, tap-water, tape, tape deck, tape recorder, tape-measure, tape-recorder, tape-recording, taper,