照像材料含有亲水胶体的感蓝卤化银卤剂层.The photographic elements contain a blue - sensitive hydrophilic colloid silver halide emulsion layer.典型的例子是碳氢化合物的卤化.A typical example is the halogenation of a hydrocarbon.许多微生物使滴滴涕脱卤化氢变为滴滴依.Many micr...
You need nimble figners for that job.干这活需要手指灵活。A nimble mind backed by a degree in economics gave him a firm grasp of financial matters...机敏的头脑再加上经济学学位作后盾使他对金融问题把握非常准。Val, who was light and nimble on her feet, learnt to ...