The yields of other cyclic acetals were between 62.并在此条件下合成了多种环缩醛,收率62.Eight acetals ( Ketals ) were synthesized under the optimal conditions.在最佳条件下,合成了八个缩醛 ( 酮 ) 化合物.The hydroxyl groups can be changed into esters , ethe...
The store detective told the shoplifter that the game was up.该商店侦探告诉冒充顾客进商店行窃的扒手,他已被发现了.The shoplifter's day of reckoning came when he was charged with 30 cases of theft.那个冒充顾客进商店行窃的扒手被指控盗窃30次,他遭报应的日子来临了.And this bo...
懒惰兼无能的警官令公众失望。Lazy and incompetent police officers are letting the public down.这是多么懒惰、冷漠、不敬业的态度！Of all the lazy, indifferent, unbusinesslike attitudes to have!他的懒惰是出了名的。He was noted for his indolence....
贤人自蠢人学得者,较蠢人自贤人学得者为多.Wise men lean more from fool than fool from wise men.广厦之下,必有贤人.There must be people of virtue inside a great mansion.每年的冬至都要邀请一些乡里的贤人参加这项盛大的典礼.Local sages are invited to the grand ceremony in midwint...