亚洲AV成人精品一区二区三区四区|快播日韩美嘛豆一区|国产欧美激情a级免费|一级黄片AAA色一品|久久国产成人精品Av|谁有AV免费观看|成人高清国产视频|日韩区欧美区久久综合一区|在线观看黄色网页|亚洲欧美国产11

單詞乎

catechin

音標(biāo)['kætitʃin]
catechin是什么意思、catechin怎么讀

catechin漢語(yǔ)翻譯

【化】 兒茶素
【醫(yī)】 兒茶素, 兒茶酸

catechin英語(yǔ)解釋

名詞 catechin:

  1. a tannic acid that is extracted from black catechu as a white crystalline substance

catechin詳細(xì)解釋

cat.e.chin

n.(名詞)
A crystalline substance, C5H 4O ', derived from catechu and used in tanning and dyeing. Also called catechol
兒茶酸:一種晶體物質(zhì),C5H 4O ',來(lái)源于兒茶,用于制革和染色 也作 catechol

來(lái)源:
catech(u)
catech(u)
-in
-in

0
糾錯(cuò)