Atomic mass unit (amu / u)
原子质量单位 (amu / u)
Explanation (EN)
A micro-scale mass unit defined as exactly 1/12 the mass of an unbound ¹²C atom (1 u ≈ 1.6605 × 10⁻²⁴ g).
Explanation (ZH)
微观尺度的质量单位,定义为一个游离 ¹²C 原子质量的 1/12(1 u ≈ 1.6605 × 10⁻²⁴ g)。
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.