Julian has been thinking up new ways of raising money.朱利安想出了不少筹款的新办法。They keep on muddying the waters by raising other political issues.他们不停地提出其他政治问题，力图把水搅浑。She looked up at me significantly, raising an eyebrow.她抬起头，眉毛扬起...
Poor eating habits are detrimental to health.不良的饮食习惯对健康有害。While the inclination to procrastinate is common , one must fully consider the detrimental impact of unnecessary delays.虽然拖延的倾向是普遍的，但是人们应该充分考虑到不必要的延误造成的有害影响。Lime ...
研究了聚氯乙烯 - 吡啶树脂催化乙酰苯胺的N - 烃基化作用,反应条件温和,产品收率令人满意.This paper studied the catalytic N - alkylation of acetanilide with polyvinyl chloride - pyridine resin.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 comp...