happen on
US /ˈhæp.ən ɑːn/
UK /ˈhæp.ən ɑːn/
短语动词
1.
偶然发现, 碰巧遇到
to find or meet by chance
示例:
•
I just happened on this old book in the attic.
我只是在阁楼里偶然发现了这本旧书。
•
She happened on a beautiful antique shop during her walk.
她在散步时偶然发现了一家美丽的古董店。
在 Lingoland 学习这个单词