to speak or write about something in great detail or for a long time
发音
例句
1. The tendency to expatiate and make much of local advantages was Western. 喜欢唠唠叨叨、夸张本地优点的脾气是西部特有的。 2. My present purpose is not to expatiate upon my walks. 现在我并不打算絮絮不休地描述我的散步。