氯苯 、 溴苯和苯硫酚化合物的谱带出现于低限附近.In compounds such as chorobenzene, bromobenzene and thiophenol it lies close to the lower limit.方法以3-甲氧基苯硫酚和对甲氧基 - 苯乙酮为原料经溴化、烃基化、环合重排排制得目标产物.Methods: The target compound was synthesized through b...
Modern tennis rackets are now apparently 20 per cent lighter.现代的网球拍据说比以前的轻20%。He was put into prison because of rackets.他因敲诈被捕入狱.Tennis rackets and balls are provided.提供网球拍及网球。...
瓦恩斯堡虽然写得很信实, 却不是安德森对小城生活的写照.Though Winesburg is a credible place , it is not Anderson's explanation of small - town life.11岂能在坟墓里述说你的慈爱吗?岂能在灭亡中述说你的信实 吗 ?Is your love declared in the grave, your faithfulness in Destr...
As the night deepened, Huck began to nod, and presently to snore.夜色渐深, 哈克打起盹来, 不久便鼾声大作.Maybe ALL the Temperance Taverns have got a ha'nted room, hey, Huck? "也许所有的禁酒客栈都有个闹鬼的房间, 喂, 哈克,你说是不是? ”Huck, I'll take you ...