cyclopropane什么意思解释

Cyclopropane rings are included within larger systems, such as triterpenes.三元环包含在较大的环系统中,像三萜类中.Under the optimum condition the yield of isopropyl cyclopropane carboxylate is 92 %.在最佳反应条件下,环丙烷羧酸异丙酯的产率达92%.Cyclopropane car...

cyclopropane的音标：cyclopropane的英式发音音标为：[saɪkləʊ'prəʊpeɪn]cyclopropane的美式发音音标为：[ˌsaɪklə'proʊˌpeɪn]...

ileorrhaphy的音标：ileorrhaphy的英式发音音标为：[aɪ'lɔ:rəfɪ]ileorrhaphy的美式发音音标为：[aɪ'lɔrəfɪ]...

盘星...

waxes的音标：...

Considering the restrictions under which she filmed, I think she did a commendable job.考虑到她拍摄时所受的各种限制，我觉得她交出的答卷值得嘉许。It was a verse from the book of Job. It was so apropos.这是摘自乔布书中的一句诗，用得非常恰当。...the tiny UN observer force...

n.痰...

criminal的最高级为：most criminal...

Frank had been struck down by a massive heart attack.弗兰克的身体已经被一场严重的心脏病拖垮了。He died six weeks later of a massive heart attack.六周后他因严重的心脏病发作去世。Universities were ill-equipped to meet the massive intake of students.各大学设备不足，难以...

hailer的音标：hailer的英式发音音标为：['heɪlər]hailer的美式发音音标为：['heɪlər]...

大气中含有70%以上的氮气.The atmosphere consist of more than 70 % of nitrogen.这只是对威尔逊氮气云室的一种改进.It was an adaptation of Wilson's cloud chamber, filled with nitrogen gas.采气管得用氮气吹扫.Sample gas tubes are flushed with nitrogen....

ardor的音标：ardor的英式发音音标为：['ɑ:də]ardor的美式发音音标为：['ɑrdɚ]...

Dahlia: Fire doesn't cleanse, it blackens!达丽雅: 火不能净化, 只能玷污.Straight after your last cigarette your body will begin to cleanse itself of tobacco toxins.一旦停止抽烟，人体立刻就会开始清除体内的烟草毒素。Catherine demonstrated the proper way t...

tape的现在完成时为：taped...

n.珠孔，卵孔...

Surely it doesn't matter where charities get their money from: what counts is what they do with it...慈善机构从哪里筹得捐款的确无关紧要：关键是钱是怎么花的。“The hell with, ” Pilar raged.“It is speed that counts.”“见鬼去吧!”皮拉怒气冲冲地嚷道, “速度才是重要的。”Li...

adj.烧坏的，烧伤的，烫伤的，灼伤的v.（使）燃烧( burn的过去式和过去分词 )，使用某物为燃料，烧毁，烧坏...