tannin ['tænin]以下由轻松背单词网站提供
单词级别附加级基本释义n.丹宁,丹宁酸参考例句The risin and tannin that can be extracted from it are sought by the chemical industry. 从中提取的松香和鞣酸是化学工业上很需要的。Tannin inclusions in vacuoles have also been demonstrated by the electron microscope. 液泡中的丹宁内含物也已用显微镜证实。 推荐阅读 |