alkaline
柯林斯词典
1. ADJ Something that is alkaline contains an alkali or has a pH value of more than 7. 含碱的; 碱性的
Some soils are actually too alkaline for certain plant life. 有些土壤的碱性，实际上对某些植物的生长是过高的。
2. alkalinityN-UNCOUNT
A pH test measures the acidity or alkalinity of a substance. pH测验检测的是物质的酸度或碱度。
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