它仍然是在反应中生成过渡状态的杂环的实例.It represents an example of a heterocycle being formed as transient species.在反应过程中被还原的杂环(46)可以方便地分离出来.The reduced heterocycle 46 conveniently separates out during the reaction.亚胺基杂环丙烷季铵盐的阳离子,一定是按协同反应...
I orchestrated the Song of the Volga Boatmen.我把《伏尔加河船夫曲》改编成了管弦乐曲.The boatmen accompany the stroke of their oars with the sound of their voices.船夫们一边划桨一边喊号子。The boatmen were still arranging the luggage.船夫们还在安放行李....
If the enemy discovers our whereabouts, we are goners.如果让敌人发现我们在哪儿, 我们就没命啦.Let me discovers incaution letting it to kidnap you, you don't get lost, liking?让我发现不小心让它拐走了你, 你不要迷路, 好 吗 ?One discovers his ignorance only ...
Wetting of fibrous materials can critically affect many manufacturing processes.纤维材料的润湿,会严重影响它的许多加工工艺.Cellophane is made of long, fibrous molecules.玻璃纸系由长形纤维分子组成.Grohal belong to the coated paper series, the munltivariab...
These crustaceans provide a valuable food source for some fish.这些甲壳纲动物是某些鱼类重要的食物来源.When the tide ebbs it's a rock pool inhabited by crustaceans.退潮时，它便成为甲壳动物居住的岩石区潮水潭。Sir. J . Lubbock has recently remarked , that sev...
Electron microscopy has revolutionized the study of crystal imperfections.电子显微学已经革新了对晶体不完整性的研究.Automation revolutionized the olive industry in the early 1970s.自动化技术在20世纪70年代早期给橄榄油产业带来了一场革命。Buddhism had revolutionized phi...