亚胺基杂环丙烷季铵盐的阳离子,一定是按协同反应的方式开环的.The aziridinium ions must all be opened by a concerted process.偶氮杂环丙烷是一类重要的 、 环内张力颇大的化合物.The diazirines are interesting , highly strained ring systems.在最佳反应条件下,环丙烷羧酸异丙酯的产率达92%.Under the opti...
The violinist played his own opus No.16.这位提琴家演奏他自己的第十六号乐曲。The violinist played his own opus, No. 16.这位提琴家演奏他自己的第十六号乐曲.It can't fill in the indivedual study to Wu Mingshi's opus.然而,这种对无名氏创作的群落性划分,并不能替代对其创作个体独特性的...
Affections of manner and speech are mere frippery.态度和语言的做作只是矫饰而已.Affectations of manner and speech are mere frippery.态度和语言的做作只是俗丽服饰而已.She often wears ornaments of frippery.她常戴些低俗的装饰品....a sombre display, with no frills o...
On the strength of those grades, he won a scholarship to Syracuse University.凭借那些成绩，他赢得了锡拉丘兹大学的奖学金。Tom is from the town of Syracuse, New York.汤姆来自锡拉库扎.Later I took my law degree at Syracuse.后来,我获得锡拉丘兹大学的法学学位....