Polarity

极性

Explanation (EN)

The separation of electric charge within a molecule, resulting in a dipole moment. Polar molecules have a positive end and a negative end.

Explanation (ZH)

分子内电荷的分离，导致偶极矩。极性分子具有正极和负极。(fēn zǐ nèi diàn hè de fēn lí, dǎo zhì ǒu jí jù. jí xìng fēn zǐ jù yǒu zhèng jí hé fù jí.)

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.