腐殖酸通常被看作是芳烃化合物的聚合物.Humic acids are usually regarded as polymers of aromatic compounds.科学家们培殖了大量的普通霉.Scientists grow large quantities of common mould.腐殖化过程与分解过程均受到抑制.Both humification and decomposition are impeded....
镶有宝石的皇冠a crown studded with gems皇帝身穿一件镶满宝石的华贵礼袍.The emperor was clad in a rich robe encrusted with jewels.这位宝石专家在评估宝石的价值之前会考虑几项要点。The lapidary consider several features of stones before assessing their value....
Two men were helping police with their inquiries at Salisbury last night.两名男子昨天夜里在索尔兹伯里接受了警方盘问。Lord Salisbury bought the picture at auction in London some years ago.几年前，索尔兹伯里勋爵在伦敦拍得了这幅画。Salisbury Plain was known ancientl...