tanning extract丹宁: tannin萃取: extract; extraction物: thing; matter; object丹宁萃: tannin extract萃取物: abstract; extractant; extractive matter下载手机词典可随时随地查词查翻译关注微信公众号:chachacidian,回复:丹宁萃取物,即可在微信中查询翻译