expound
verb [ I or T ] formal uk/ɪkˈspaʊnd/ us/ɪkˈspaʊnd/
详细解释;阐述;详细说明
to give a detailed explanation of something
He's always expounding on what's wrong with the world. 他总在痛陈这个世界的弊病。
She uses her newspaper column to expound her views on environmental issues. 她利用主笔的报纸专栏阐述自己对环境问题的观点。
Synonym: expatiate