整个宇宙在无限的空间中永生。The whole universe exists eternally in that one infinite being.他有无穷的精力和无限的耐心。His energy was unbounded and his patience inexhaustible.这种工作需要具备无限的精力和夸张的想象力。The work demanded boundless energy and theatrical im...
She described the distribution of food and medical supplies as a logistical nightmare.她把分配食物和药品的工作说成是组织管理上的噩梦。Organizing famine relief presents huge logistical problems.筹画馑救济工作在后勤方面困难极大.Logistical problems may be causing...
在剧院里，他们正在演出比才的作品《卡门》。Inside the theatre, they were giving a performance of Bizet's Carmen.乔恩主演剧中最引人入胜的剧集之一。Jon featured in one of the show's most thrilling episodes.这部剧直到阿申巴赫堕入情网后才真正开始精彩起来。The play only really ...
The hydroxyl groups can be changed into esters , ethers , acetals and ketals, etc.最常用的羟基保护基可归纳为三类:酯类 、 醚类和缩醛或缩酮类.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 yields ...