The austerity measures will have little immediate adverse effect on the average Moroccan...财政紧缩政策不会对普通的摩洛哥人产生直接的负面影响。A peculiar austerity marked his judgments of modern life.他对现代生活的批评带着一种特殊的苛刻.Our anxiety about an auster...
空气中所含的氮的比例是多少?What is the percentage of nitrogen in air?作物收获后, 他测定了作物中氮的含量.After harvesting the crops , he tested them for nitrogen content.不含碱性氮的化合物包括吡咯 、 吲哚 、 咔唑和苯咔唑.Non - basic nitrogen - containing series include pyr...