expansive
adjective uk/ɪkˈspæn.sɪv/ us/ɪkˈspæn.sɪv/
(TALKING)
formal友善健谈的;豪爽的;开朗的
very happy to talk to people in a friendly way
He was in an expansive mood on the night of the party. 聚会那天晚上，他情绪很好，豪爽健谈。
Synonyms: chatty garrulouslong-windedloquacious prolix talkativeverbose voluble wordy
(LARGE)
广阔的，辽阔的；浩瀚的
covering a large area
There was an expansive view from the window. 从窗口望去，辽阔的景色一览无余。
"All this is mine," she said with an expansive arm gesture (= using big movements). “所有这一切都是我的，”她张开双臂比划着说道。