Word · Frequency #28274
alkalinity
碱性；碱度
核心释义
the state or degree of being alkaline; the quality of something whose pH is above 7
- 1.
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.
- 2.
pH值大于7
pH values above 7
呈碱性状态或某物的碱性程度。；pH值大于7；碱度；[化] 碱度; 碱性
用法In use
The alkalinity of the soil in our garden is too high for most vegetables.
用法提示：alkalinity 作名词，表示土壤呈碱性的程度。
Scientists measure the alkalinity of the water to check whether it is safe for fish.
用法提示：alkalinity 作名词，指水的碱性程度。
Adding lemon juice can lower the alkalinity of a solution.
用法提示：alkalinity 作名词，指溶液呈碱性的程度。
alkalinity of [noun]
The alkalinity of the soil was measured.
测量了土壤的碱度。
[adjective] alkalinity
相关词与表达Connections
搭配Collocations
- total alkalinity
- 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。
- high alkalinity
- 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。
- low alkalinity
- 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。
- soil alkalinity
- 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。
- measure alkalinity
学习提示Learner notes
记忆技巧Memory Tip
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。
语境与语域Context & Register
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。
语法说明Grammar Note
勿与形容词 alkaline 混淆；alkalinity 只能作名词。
发音与拼写Pronunciation & Spelling
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。
一起学习词形Learn the forms together
页面下方列出了常见词形变化。学习时注意它们在句子中的语法位置。
Dictionary facts from ECDICT, WIKTIONARY.