Mandarin:
氢脆

Explanation in English Language (EN):
A phenomenon where metals become brittle and fracture due to the absorption and diffusion of hydrogen atoms.

Explanation in Mandarin (ZH):
金属因吸收和扩散氢原子而变脆甚至断裂的现象。

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International Phonetic Alphabet (IPA)
- Definition: A standardized system of symbols used to represent the sounds of spoken language.
- Purpose: Helps linguists, language learners, and educators accurately describe pronunciation across languages.
- Example: The word “hello” in British English is transcribed as /həˈləʊ/ in IPA.