| 单词 | 纯度 |
| 释义 | 〔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〔purity〕A quantitative assessment of homogeneity or uniformity.纯度：同质性或一致性的定量评估〔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〔estimate〕Assay refers to careful examination,especially to chemical analysis of an ore to determine its quality, fineness, or purity: Assay 指的是细致的检测，尤指对矿石进行化学分析来测定其质量，优良度以及纯度： 〔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〔touchstone〕A hard black stone, such as jasper or basalt, formerly used to test the quality of gold or silver by comparing the streak left on the stone by one of these metals with that of a standard alloy.试金石：一种如碧玉或玄武岩的坚硬黑色石头，先前用来检验金或银的质量，用这些金属在石头上留下的划痕与标准纯度进行比较〔eureka〕Greek heurēka [I have found (it) (supposedly exclaimed by Archimedes upon discovering how to measure the volume of an irregular solid and thereby determine the purity of a gold object)] [first person perfect of] heuriskein [to find] 希腊语 heurēka [“我找到了！”，“我搞清楚了！”（源自希腊数学家和发明家阿基米德发现测量不规则固体体积的方法，并以此发现测定金子纯度的方法时的惊呼）] heuriskein的第一人称完成时 [找到] 〔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〔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〔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 |
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