Law of Conservation of Mass (Lavoisier)
质量守恒定律(拉瓦锡)
Explanation (EN)
In a closed system the total mass of materials is conserved regardless of the chemical reactions that occur.
Explanation (ZH)
在封闭体系中,无论发生何种化学反应,物质总质量保持不变。
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.