Silver - coated carbonyl iron powder was prepared by using electroless plating method.用化学镀法,甲醛为还原剂,制备镀银羰基铁粉.The p - chlorophenyl isocyanate is synthesised by carbonyl chloride and p - chloroaniline . The yield is 90 %.采用...
That region is drizzly in winter.那个地区冬天常下小雨.This section of the country is drizzly in the winter.该国的这一地区在冬天经常细雨蒙蒙.It was dull and slightly drizzly as we left.我们离开时天阴沉沉地飘着小雨。...a dull, drizzly afternoon...一个阴沉的下着细雨的午后...
She's young, at 50, which means she could be on court for a quarter century.她很年轻, 50岁, 意味着她可以再最高法院工作四分之一世纪.Yet that was the absolute rule: no non magical person could remain beyond his quarter - century mark.但是这是绝对的...