come upon
US /kʌm əˈpɑːn/
UK /kʌm əˈpɑːn/
1.
偶然发现, 偶然遇到, 碰到
to find or meet by chance
:
•
I came upon an old photo album while cleaning the attic.
我在打扫阁楼时偶然发现了一本旧相册。
•
As we walked through the forest, we suddenly came upon a hidden waterfall.
当我们穿过森林时，我们突然发现了一个隐藏的瀑布。