Levelling effect
拉平效应
Explanation (EN)
The principle that H₃O⁺ and OH⁻ are the strongest acid and base that can persist in water; anything stronger reacts completely with water.
Explanation (ZH)
H₃O⁺ 和 OH⁻ 是水中能稳定存在的最强酸和最强碱;任何更强的酸或碱都会与水完全反应。
About the IPA
The International Phonetic Alphabet is a standardized system of symbols used to represent the sounds of spoken language.
It helps linguists, language learners, and educators accurately describe pronunciation across languages.
Example: the word "hello" in British English is transcribed as /həˈləʊ/ in IPA.