Mandarin:
聚电解质 (jù diàn jiě zhì)

Explanation in English Language (EN):
Polyelectrolytes are polymers that contain ionizable groups, which can dissociate in solution to form polyions and counterions. These polyions carry a net electrical charge, either positive (cationic polyelectrolytes) or negative (anionic polyelectrolytes). Polyelectrolytes have unique properties due to their charged nature, such as high water solubility, the ability to form gels, and responsiveness to changes in pH or ionic strength. They are used in various applications, including water treatment, drug delivery, and personal care products.

Explanation in Mandarin (ZH):
聚电解质是含有可电离基团的聚合物，这些基团可以在溶液中解离形成聚离子和抗衡离子。这些聚离子带有净电荷，可以是正电荷（阳离子聚电解质）或负电荷（阴离子聚电解质）。由于其带电性质，聚电解质具有独特的性能，例如高水溶性、形成凝胶的能力以及对 pH 值或离子强度变化的响应能力。它们用于各种应用，包括水处理、药物输送和个人护理产品。

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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.