A method of synthesis of butyl isobutyrate catalyzed by amidosulphonic acid has been studied.以氨磺酸为催化剂催化合成了异丁酸丁酯,确定了酯化优化条件.The method about synthesis of approximate straight line motion mechanism based on moving centrode ...
The game was marred by the behaviour of drunken fans.喝醉了的球迷行为不轨，把比赛给搅了。Bad diction marred the effectiveness of his speech.措词不当影响了他演说的效果.The noise marred the peace of night.吵闹声破坏了夜的宁静....
He attained the position of minister.他得到了部长的职位。With the exception of Juan, each attained a measure of success.除了胡安之外，每个人都获得了相当大的成功。The fusant RH - UV - L 4 - F 9 which attained by cell fusion has high fermenting ability ...
They decided to formalize their relationship by getting married.他们决定结婚，正式确定关系。That essentially would formalize existing reporting lines.这与现有报导的说法基本吻合.Formalize and obtain final acceptance for the project.获得对项目的认同和正式接受....
你可以一次付清或先付最低分期偿付款。You can pay it off or make a minimum repayment.建屋互助协会收回未偿清房贷的住房，这吓退了很多买家。Building society repossessions have frightened buyers off.选举唤起了未偿的心愿。The election had raised hopes that remain unfulfilled....