Now General Electric have gone one better than nature and made a diamond purer than the best quality natural diamonds.现在通用电气公司已经制造出了巧夺天工的钻石，其纯度比最好的天然钻石还要高。His music is purer poetry than a poem in words.他的音乐比文字写成的诗词更富有诗意。In theory, having made a clean breast of it, Sam should have felt purer and lighter of heart.理论上说，萨姆供认之后应该会从内心中感到更加纯净和轻松。