To establish a method of GC detection of chloroacetone in the air of workplace.建立工作场所空气中氯丙酮气相色谱测定方法.Benzbromarone was synthesized from salicylaldehyde by condensation with chloroacetone, reduction, acylation, demethylati...
Mother and son lost contact when Nicholas was in his early twenties.尼古拉斯20岁出头的时候母子就失去了联系。It was paid to her in greenbacks -- three twenties, six tens, and six fives.这份薪水是用绿色钞票付给她的 -- 三张20块, 六张10块, 还有六张5块.It was written i...
一轮冬日已经低垂天幕.The wintry sun was already low in the sky.他们躺在繁星点点的天幕下.They lay down under a canopy of stars.乡村风光在微微开朗的天幕中暗淡地展露出来.The country expanded darkly defined underneath the moving curtain....
" We fear reprisals, signore, " the abbess murmured.“ 我们怕报复, 先生, ” 女修道院院长喃喃地说.Franlein Maria, I don't know how much the Mother Abbess has told you?玛丽亚小姐, 我不知道院长嬷嬷都跟你说了些什么?Abbess Julia : Yes , I have to pay a visit.是...
George was a fitter at the shipyard.乔治是造船厂的一名钳工。You can become fitter quite quickly and easily.你可以非常迅速而且轻松地变得更健康。The value of the pound will force British companies to be leaner and fitter.英镑目前的汇率将迫使英国公司厉行精兵简政。...