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...
琼非常迷信，认为绿色会带来厄运。Jean was extremely superstitious and believed the colour green brought bad luck.她给家庭带来了厄运。She had brought ill luck into her family.他们并不知道即将降临到他们头上的厄运。They were unaware of the fate that was to befall them....
For years he led the Baylor College of Medicine in Houston.这些年来他在休斯顿的Baylor医科大学供职.Mrs. Baylor strode to the elevator and punched the button.贝勒太太迈向电梯，按下按钮。Brantley Scott , a urologist affiliated with the Baylor College of...
The book began with a quotation from Goethe.这本书一开头引用了歌德的隽语。The raconteur mentioned that the quotation was from the Bible.说故事的那位来宾,指那句话是出自圣经!The critic padded out the review with quotation from the author.这个评论家引用那个作家的话添凑了...
And Tamar lived in her brother Absalom's house a desolate woman.他玛就孤孤单单地住在她胞兄押沙龙家里.Judah's daughter - in - law Tamar bore him Perez and Zerah, so that he had five sons in all.犹大的 儿媳 塔玛尔给他生了培勒兹和则辣黑:犹大共有五个儿子.This...