许多基团可通过向得自胶的重氮盐作亲核取代而加以导入.Many groups can be added by nucleophilic substitution on a diazonium salt.大多数连于芳核能被直接取代的基团仅限于重氮盐.Most direct substitution of groups bound to an aromatic nucleus is limited to diazonium salts....
Monks shave their heads, as do devotees of the Hare Krishna movement.和尚要剃度,克利须那派教徒也一样。The devotees sing, sip warm drinks, play cards and huddle together.球迷们唱着歌, 呷着热饮料 、 打扑克,挨挨挤挤,互相拥作一团.The history of Taipei's develo...
她最温柔的爱抚会让他已然紧绷的身体变得扭曲。The gentlest of her caresses would contort his already tense body.他实际上是个非常温柔的男生。He was a very gentle boy at heart.她恳求地看了他一眼,温柔的眼神足以融化坚冰。She gave him a soft appealing look that would have melted soli...
The researchers suspect cutis is found in soil and water everywhere on Earth, except Antarctica.研究者猜测cutis存在于除了南极洲之外的土壤和水源中.Objective: To investigate the toxic effect of compound Daihuang ointment on cutis.目的: 研究探讨复方大黄膏对...
He could not put across his point of view to the audience.他没能使听众理解他的观点.He failed to put across his feelings when they went out together.他们谈恋爱的时候,他不善于表达他的情感.Did I put across the idea?我把意思讲清楚了 吗 ?...