Determination of Microgram Mineral Oil in Water by Infra Red Spectrum.红外光谱法测定水中微量矿物油.Microgram for microgram, beryllium is one of the most toxic elements on the periodic table.一微克,又是一微克, 铍是周期表上最有毒的元素之一.The 10 microgram v...
The floods are described as the worst in nearly fifty years.这次洪灾据说是近50年来最为严重的。He was in floods of tears on the phone.他在电话里失声痛哭。The floods are the worst in living memory.那次洪水是人们记忆中最严重的一次。...
他们以喇叭手为前导昂首阔步走进大厅.They swept into the hall, preceded by trumpeters.价格估计是财务人员编制预算的直接前导.Pricing was an immediate predecessor of the financial officers preparing the budget.但是如果前导的联接链很长, 那么这种多余就常常隐藏起来.But if the trail of pr...