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...
Mr Wakeham dismissed the reports as speculation.韦克厄姆先生把这些报道当作臆测而不予考虑。John Wakeham seems certain to become the fixer the Prime Minister will need at election time.约翰·韦克厄姆似乎必定会成为首相竞选时所需要的问题化解高手。...
Falling in love the first time is all froth and fantasy.初恋完全是一场虚幻的美梦。The froth is blown away.泡沫给吹开了。a glass of beer with thick froth on top上面有厚厚一层泡沫的一杯啤酒...