| 单词 | 纯度 |
| 释义 | DEFINITIVE EXAMPLES 权威例句〔PURE〕Crude cocaine is only about 25 percent pure. 未经加工的可卡因的纯度大约只有25%。朗文写作活用〔PURE〕The gold is then tested to determine its purity. 然后检测金子，判定其纯度。朗文写作活用〔PURE〕The solution is distilled until it is 95% pure. 溶液经蒸馏，直至纯度达95%。朗文写作活用〔alloy〕Something added that lowers value or purity.掺杂物，杂质：能使原物降低成色、纯度的添加物美国传统〔alloy〕The relative degree of mixture with a base metal; fineness.成色，纯度：和基本金属的相对混合程度；纯度美国传统〔assay〕They assayed the gold to determine its purity.他们对黄金的纯度进行了鉴定。韦氏高阶〔better〕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。柯林斯高阶〔chromaticity〕The aspect of color that includes consideration of its dominant wavelength and purity.色度：色彩的角度，包括其显著的波长和纯度的因素美国传统〔clue in〕They clued us in on how to detect forged hallmarks.他们给我们提供了分辨伪造纯度印记的有用知识。外研社新世纪〔dilute〕To lessen the force, strength, purity, or brilliance of, especially by admixture.冲淡：减小强度、浓度、纯度或变淡，尤指搀和美国传统〔first water〕The highest degree of quality or purity in diamonds or pearls.第一流：钻石或珍珠在质量或纯度上的最高层次美国传统〔hallmark〕A mark used in England to stamp gold and silver articles that meet established standards of purity.纯度标记：用于英国的标在金、银制品上的同设立的纯度标准相符的标记美国传统〔hallmark〕The cup was hallmarked in London in 1921.这个杯子是1921年在伦敦加盖的纯度印记。外研社新世纪〔hallmark〕To stamp (gold and silver articles) with a mark indicating purity.标纯度：给（金、银制品上）标上指明纯度的标记美国传统〔hallmark〕You can tell it's 9 carat gold from the hallmark.从纯度印记可以看出它是9开金的。外研社新世纪〔measure〕The sample's density is a measure of its purity.样品的密度是其纯度的一个计量单位。剑桥高阶〔purity〕A quantitative assessment of homogeneity or uniformity.纯度：同质性或一致性的定量评估美国传统〔purity〕The purity of the water is tested regularly.水的纯度定期检测。牛津高阶〔test〕The water is regularly tested for purity.水的纯度定期受到检测。牛津高阶Wtd. 100% pure 保证纯度 100%牛津商务 |
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