Application of samarium diiodide in mediating intramolecular cyclization reactions was reviewed.综述了二碘化钐在分子内环化反应中的应用.Sodium ethylate was used as catalyst in Baker - Venkataraman of cyclization, and all factors were studie...
We exchanged a few civilities.我们相互寒暄了几句.His civilities were worn out, like his information.他那一套礼貌举止, 也象他的出言吐语一样,已经陈腐不堪.After a great number of civilities , Robin took the pipes, and played a piece of music.这一大套繁文缛节结束后, 罗...
有一扇饰有家族盾形纹章的彩色玻璃窗。There was a stained-glass window with the family coat of arms.皇家盾徽the royal coat of arms剑掠过武士的盾.The sword glanced off the knight's shield....
derisive laughter嘲弄的笑声His confession was greeted with derisive hoots.他的坦白引起了人们嘲讽的嘘叫。There was a short, derisive laugh.有人短促、嘲弄地笑了一声。She gave a short, derisive laugh.她讥讽地笑了笑。...