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n.儿茶
1、catchup───n.番茄酱；调味酱
2、catechin───n.[有化]儿茶酸；焦儿茶酸
3、catechins───n.[有化]儿茶素；儿茶酚（catechin的复数形式）
4、catch───vt.赶上；抓住；感染；了解；vi.赶上；抓住；n.捕捉；捕获物；窗钩
5、catechism───n.问答教学法；教义问答书
6、catechol───n.邻苯二酚，[有化]儿茶酚
7、catechise───问答式教授；盘问
8、catechumen───n.新信徒；初学者
9、catchy───adj.悦耳易记的；引人注意的；易使人上当的
1、extract of the heartwood of Acacia catechu used for dying and tanning and preserving fishnets and sails; formerly used medicinally.───用儿茶树的心材提取，用于印染、制革、渔网和帆蓬保养，以前用于医药。
2、HPLC was used to determine the content of brassinolide in Areca catechu pollen.───液相色谱(hplc)法测定槟榔花粉中芸苔素内酯的含量。
3、East Indian spiny tree having twice-pinnate leaves and yellow flowers followed by flat pods; source of black catechu.───东印度一种有刺乔木，两回羽状复叶，花黄色，荚扁平；是黑儿茶的来源。
4、Catechu element kind the 70 % left and right sides that corporeal content occupies gross of tea much phenol about.───儿茶素类物质的含量约占茶多酚总量的70%左右。
5、Results: Aphthae compound film of acaciae catechu and indigo naturalis has a good effect on treating rats dental ulcer.───结果：儿茶、青黛口腔溃疡膜对实验性大鼠口腔溃疡疗效显著。更详细。
6、UV spectrophotometry was applied to determine the contents of active tannic acid in catechu and its extract.───采用紫外分光光度法测定儿茶及儿茶提取物中活性鞣质的含量。
7、A spiny Asian tree(Acacia catechu) having bipinnately compound leaves, spikes of yellow flowers, and dark heartwood.───一种亚洲生多刺木（儿茶金合欢属），有两羽状复叶、穗状黄花和深色心材。
8、Study on the Biology, Amino Acid and Mineral Elements of the Pollen of Areca catechu L.───槟榔花粉的生物学、氨基酸和化学元素含量研究。
9、A crystalline substance, C15H14O6, derived from catechu and used in tanning and dyeing.───儿茶酸一种晶体物质，c15h14o6，来源于儿茶，用于制革和染色。
1、Areca catechu L. increased markedly the propulsive movement of gastrointestinal tract in mice.
2、The fresh-keeping areca catechu can hold back its beneficial composition and chew characteristics, and can avoid damage of smoking areca catechu to mouth.
3、Results: Borneolum yntheticum, Catechu ould be identified by TLC.
4、A spiny Asian tree(Acacia catechu) having bipinnately compound leaves, spikes of yellow flowers, and dark heartwood.
5、Areca catechu, of which areca nut is a fruit, is one of the palm species and contents several nutrients as well as many pharmacologically active compounds.
6、Borneolum yntheticum, Catechu ould be identified by TLC.
7、Objective To explore the molluscieidal effect of Areca catechu on Oncomelania hupen - sis.
8、ObjectiveTo identify Acacia catechu(Linn. f. )Willd. systemically in pharmacognosy, and provide the scientific evidence for identification and application.
9、The formula of the functional beverage of Areca Catechu was studied through orthogonal design in this paper.