The carbon is electrophilic centre.碳是亲电的中心.It will become deepen to the students'recognization in mechanism of Aryl electrophilic substitution.这些问题的讨论将深化学生对芳烃亲电取代反应机理的认识.The rate constants of radical and electrophil...
Reviewers have been almost unanimous in their disparagement of this book.评论家们几乎一致贬抑这本书。They were unanimous that Chortlesby Manor must be preserved.他们一致认为必须对乔特勒斯比庄园加以保护。Their decision was unanimous.他们的决定是全体一致通过的。...