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alkalinity of [noun]
The alkalinity of the soil was measured.
测量了土壤的碱度。
碱度；碱性
alkalinities — plural of alkalinity
先理解核心含义，再看它在真实句子里的用法。
碱度；碱性
pH values above 7
The alkalinity of the soil was measured.
测量了土壤的碱度。
呈碱性状态或某物的碱性程度。
The state of being, or the degree to which a thing is, alkaline.
pH值大于7
pH values above 7
The test measures the alkalinity of the water sample.
这项测试测量水样的碱度。
High alkalinity in the soil can affect which plants grow well.
土壤中的高碱度会影响哪些植物能够良好生长。
Farmers often check the alkalinity of their irrigation water.
农民经常检查他们灌溉用水的碱度。
The alkalinity of the soil was measured.
测量了土壤的碱度。
High alkalinity can cause scaling.
高碱度可能导致结垢。
We need to test the alkalinity of the pool water.
我们需要测试游泳池水的碱度。
Not this
The alkaline of the water is high.
Use this
The alkalinity of the water is high.
将形容词 'alkaline' 误用作名词。'Alkalinity' 是名词，表示碱性程度，而 'alkaline' 是形容词，应改为名词形式。
Not this
We need to increase the alkali of the soil.
Use this
We need to increase the alkalinity of the soil.
将具体化学物质 'alkali' 与抽象性质 'alkalinity' 混淆。'Alkali' 指碱性物质，而这里是需要提高碱度，应用 'alkalinity'。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
总碱度
The total alkalinity of the water was measured in the lab.
水的总碱度是在实验室里测定的。
高碱度
High alkalinity in the soil can make it difficult for some plants to grow.
土壤的高碱度会让某些植物难以生长。
低碱度
Low alkalinity in the pool can cause the pH to fluctuate.
泳池的低碱度会导致pH值波动。
土壤碱度
Farmers often test soil alkalinity before choosing their crops.
农民在选种前通常会检测土壤碱度。
测量碱度
We need to measure the alkalinity of this sample carefully.
我们需要仔细测量这个样品的碱度。
Use alkalinities naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
记忆：alkali（碱）+ ity（名词后缀）→ 碱度。想象pH试纸颜色深蓝，数值大于7。
语域：formal 常见场景：scientific writing、water quality testing 该词是技术性名词，通常用于化学或环境科学等正式场合，日常对话中不常见。
与 alkalinity 押韵的有 salinity、masculinity、femininity 和 divinity：从重读音节起都以 /ɪnəti/ 结尾；alkali (/ˈælkəlaɪ/) 和 alkaline (/ˈælkəlaɪn/) 拼写相似，但读音不同，不押韵。
Dictionary facts from ECDICT, WIKTIONARY.