Definition: to meet someone or find something by chance Level: B2
我在清理阁楼时偶然发现了这些老照片。
I ___came ___across these old photos while cleaning the attic.
她昨天在网上偶然读到一篇有趣的文章。
She ___came ___across a fascinating article online yesterday.
我上周在城里偶然遇到了一位老朋友。
I ___came ___across an old friend in town last week.
