Once its impurities had settled, the oil could be graded.一旦杂质沉淀下去，油就可以分级了。A filter will remove most impurities found in water.过滤器会滤掉水中的大部分杂质。Oil is refined to remove naturally occurring impurities.油经过提炼去除天然存在的杂质。...
经常大力强调物质成就。There is often a strong accent on material success.尽管是10年前出版的，这本书仍值得大力推荐。Though ten years old, this book is highly recommended.萨德鲁丁王子大力赞扬英国对世界外交作出的贡献。Prince Sadruddin lavished praise on Britain's contribu...