Adamantane and bicyclo ( 222 ) octane are predominantly Chlorinated at the bridge heads by this procedure.金刚烷和二环〔222〕辛烷主要是按照这个程序在桥头氯化.Using tendo - tetrahydrodicyclopentadiene as raw material and AlCl _ 3 - trace water s...
Cheater b: And people who are stupid can not see them.骗子乙: 任何愚蠢得不可救药的人,都看不见这衣服.Absolutely cheater, have the suspicion of bilk, the proposal calls the police.绝对的骗子, 有诈骗的嫌疑, 建议报警.The heaviest if clear up safe, intermediary...
他的散文文笔有力、内容庞杂，有时几近晦涩。His prose is vigorous and dense, occasionally to the point of obscurity.从他的文笔可以看出他思维敏捷。Everything he writes demonstrates the acuteness of his intelligence.他文笔优美，适合当诗人。He writes beautifully, as befits...
A pigeon emerges, wings flapping noisily, from the tower.一只鸽子从塔里钻出来，扑扑地拍打着翅膀。Lewis emerges as a composer of distinction and sensitivity.刘易斯作为一位悟性很高的优秀作曲家崭露头角。The man emerges from water.那个人露出水面....
It represents an example of a heterocycle being formed as transient species.它仍然是在反应中生成过渡状态的杂环的实例.The reduced heterocycle 46 conveniently separates out during the reaction.在反应过程中被还原的杂环(46)可以方便地分离出来....