用溶剂萃取法从甲基萘油中萃取吲哚.Indole is extracted from methylnaphthalene oil through solvent extracting.甲氧基甲基萘乙酸是非固醇 抗炎 药的一种商标名.Naprosyn is the trademark of a brand of this nonsteroidal anti - inflammatory drug.目的探讨2-甲基萘[2, 3-b ] 呋喃 ...
She could never without much blushing ask the necessary questions of the recipients of her charity.当她向领受救济的人问一些必要的关于救济的问题时,她每次都羞得面红耳赤.The recipients of the prizes had their names printed in the paper.获奖者的姓名登在报上.The recip...