| 单词 | 碱度 |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔alkaline〕A pH test measures the acidity or alkalinity of a substance.pH值测试可检测物质的酸碱度。柯林斯高阶〔alkalinity〕A pH test measures the acidity or alkalinity of a substance.pH值测试可检测物质的酸碱度。外研社新世纪〔alkalinity〕The alkali concentration or alkaline quality of an alkali-containing substance.碱度，碱性：含碱物质中碱的浓度或碱的特性美国传统〔alkalosis〕Abnormally high alkalinity of the blood and body fluids.碱中毒：血液或体液中异常高的碱度美国传统〔litmus〕A water-soluble blue powder derived from certain lichens that changes to red with increasing acidity and to blue with increasing basicity.石蕊：取自地衣的一种可溶于水的蓝色粉末，可随酸性增大而变红，随碱度增大而变蓝美国传统〔neutrality〕Pure water is neutral with a pH of 7.纯水是中性的，酸碱度为7。柯林斯高阶〔organic〕Incorporating organic material into chalky soils will reduce the alkalinity.往白垩质土壤中添加有机质可降低其碱度。外研社新世纪〔pH〕Most unpolluted rainwater has a pH of around 5.0.大部分未受污染的雨水酸碱度为5.0左右。麦克米伦高阶〔strength〕What's the scale that's used to compare the strength of acids and alkalis?用哪一标准来比较酸碱度？外研社新世纪 |
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