expound
US /ɪkˈspaʊnd/
UK /ɪkˈspaʊnd/

动词
1.
阐述, 详细说明
to present and explain a theory or idea systematically and in detail
示例:
•
The professor began to expound his views on social reform.
教授开始阐述他对社会改革的看法。
•
He was invited to expound on the new government policy.
他受邀详细说明政府的新政策。
在 Lingoland 学习这个单词