functional group
US /ˈfʌŋkʃənəl ˌɡruːp/
UK /ˈfʌŋk.ʃən.əl ɡruːp/
名词
官能团
a group of atoms responsible for the characteristic reactions of a particular compound
示例:
•
The hydroxyl group (-OH) is a common functional group in alcohols.
羟基（-OH）是醇类中常见的官能团。
•
Understanding functional groups helps predict chemical reactivity.
了解官能团有助于预测化学反应性。