这种反应构成了制备芳基环丙基乙炔的有效方法.This sequence constitutes an efficient method for preparing arylcyclopropylacetylenes.环丙烷基硅醚在卤化锌的作用下能够与硅胶反应生成环丙基醇.Trimethylsilyl cyclopropyl others can react with the gel the cyclopropanols when Lew...
Unload everything from the boat and clean it thoroughly.把所有东西从船上卸下来，然后把船彻底清理一下。Everyone helped to unload the luggage from the car.大家都帮着从汽车上卸行李。They want to unload the stocks on the market.他们想把股票在市场上抛售掉....
Dr Blackwell studies a group of quorum - sensing molecules called acylated homoserine lactones ( AHLs ).Blackwell博士研究了群体感应中的一种叫做酰基高丝氨酸内酯 ( AHLs ) 分子.N - acylhomoserine lactone ( AHL ), as quorum sensing signals, regulate...
I gulped the acrid liquid.我把辛辣的药水一口咽了下去。I gulped, and then proceeded to tell her the whole story...我倒吸了一口气，接着把事情的原委都讲给她听。She gulped nervously, as if the question bothered her.她紧张地咽了一下, 似乎那问题把她难住了。I gulped a breath of swe...