Mandarin:
波特兰

Explanation in English Language (EN):
A common type of cement made by heating limestone and clay, used as a basic ingredient in concrete.

Explanation in Mandarin (ZH):
一种通过加热石灰石和黏土制成的常见水泥，是混凝土的基本成分。

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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.