“环戊烯”的英语？

报道了在低温条件下, 以邻二酮和α-环烯酮为原料与炔钠反应,合成了2,3, 4,5-四甲基-1-乙炔基-2-烯-环戊醇、1, 2 - 二苯基 -2 - 羟基 -3 - 丁炔 -1 - 酮、3, 4 - 二苯基 -1,5-己二炔-3,4 - 二醇和3,4 - 二苯基 -3 - 环戊烯 -1 -酮4种化合物.In low temperature, reaction of ketone with sodium acetylide synthe...

dazzle的现在进行时为：dazzling...

n.(=aeon)世，纪，代，无限长的时代...

peep的现在完成时为：peeped...

“记起”的反义词：遗忘。...

子宫软化...

erosive的音标：erosive的英式发音音标为：[ɪ'rəʊsɪv]erosive的美式发音音标为：[ɪ'roʊsɪv]...

handspring的音标：handspring的英式发音音标为：['hændsprɪŋ]handspring的美式发音音标为：['hændˌsprɪŋ]...

Send it to the laundry. Don't dry clean it.把它送到洗衣店去吧, 别干洗.The laser should be operated in a dry, clean and dust - free environment.应在干燥, 洁净的环境下使用激光器.How much do you charge to dry clean this sweater?干洗这件毛衣要多少钱?...

n.餐馆老板...

“拮据”的近义词/同义词：窘迫, 窘蹙, 穷困, 困穷, 优裕。...

We have learnt how to condense serious messages into short, self-contained sentences.我们已经学会了如何把重要的信息压缩成简短独立的句子。Huge quantities of steam may be erupted and then condense.大量水气会喷发出来,然后冷凝成雨.Condense the mixture by boiling of...

“规定”的英语可以翻译为：stipulate，provide，fix，set...

response的音标：response的英式发音音标为：[rɪ'spɒns]response的美式发音音标为：[rɪ'spɑns]...

peacemaker的音标：peacemaker的英式发音音标为：['pi:smeɪkə(r)]peacemaker的美式发音音标为：['pisˌmekɚ]...

她忍住了呵欠。She managed to stifle a yawn.他呵欠连天说明他不是疲倦,就是厌倦.His yawns suggested he was either tired or bored.他打着呵欠睡着了.He yawned and fell asleep....