Levocetirizine Dihydrochloride was prepared from benzoyl chloride by acidylation, hydrogenation, cyclization with an overall yield of 8.05 %.以苯甲酰氯为原料,经酰化, 还原, 环合等反应合成左旋西替利嗪盐酸盐,反应总收率为8.05%....
他们对外人擅自干预他们的事务非常愤慨。They're resentful that outsiders presume to meddle in their affairs.外人也许会误解这种关系的本质。An outsider might misconstrue the nature of the relationship.马隆是个警察，他跟他们一样都觉得自己像个外人。Malone, a cop, felt as much a...
The thief expressed penitence for all his past actions.那盗贼对他犯过的一切罪恶表示忏悔.Penitence is something that enervates our spirit, causing a greater loss than a good words!后悔是一种耗费精神的情绪.后悔是比损失更大的损失,比错误更大的错误.不要后悔.to show no peniten...
Would you care for a dram?少喝一点？RAM comes in many varieties, including dynamic RAM ( DRAM ), synchronous RAM and synchronous dynamic RAM ( SDRAM ).RAM有多种形式, 包括动态RAM ( DRAM ) 、 同步RAM和同步动态RAM ( SDRAM ).A small dram of whisk...
埃米举起胳膊挥挥手。“再见，”她喊道。Amy lifted her arm to wave. "Goodbye," she called.她挥了挥拳头，“我要让你看看，”她说。She shook her fist. "I'll show you," she said.他们像小学生一样，在地板上滚来滚去，互相挥着拳头揍对方。They just rolled about on the floor punching each oth...