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 man was stabbed to death in a frenzied attack.这名男子在一次疯狂的袭击中被刺死。He stabbed at the omelette with his fork.他用叉子戳着煎蛋。He was stabbed to death.他被刀刺中身亡。...
他有很强的求知欲.He has a strong thirst for knowledge.在中世纪这个黑暗的年代里, 求知欲全给统治阶级扼杀了.In the benighted Middle Ages, intellectual curiosity was discouraged by the authorities.他有强烈的求知欲.He has a hunger for / after knowledge....
He was saucy and mischievous when he was working.他工作时总爱调皮捣蛋.She is a saucy little miss!她是个黄毛丫头!...a saucy joke.荤段子She was tall , slim, rather swarthy, with large saucy eyes.她瘦高个, 皮肤黝黑, 有一双漂亮的大眼睛....saucy TV shows, cramme...
她看着镜子中自己的映像.She looked at her image in the mirror.颜色条纹会使映像的轮廓模糊不清.Color fringes appear that tend to blur the outlines of images.根据当前的时钟,即将执行映像卸载.Uninstall Images time is in the future according to current clock....