Enthalpy
焓
Explanation (EN)
A thermodynamic property that represents the total heat content of a system. Enthalpy changes are important in understanding the energy flow in chemical reactions, including polymerization.
Explanation (ZH)
表示系统总热量的热力学性质。焓变对于理解化学反应（包括聚合）中的能量流动非常重要。(biǎo shì xì tǒng zǒng rè liàng de rè lì xué xìng zhì. hán biàn duì yú lǐ jiě huà xué fǎn yìng (bāo kuò jù hé) zhōng de néng liàng liú dòng fēi cháng zhòng yào.)
About the IPA
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Example: the word "hello" in British English is transcribed as /həˈləʊ/ in IPA.