stumble across
短语偶然发现
词形变化
stumbled across
stumbles across
三单
stumbles across
stumbling across
stumbling across
现在分词
stumbled across
过去式
stumbled across
过去分词
释义与例句
v.
-
1.
To discover or find (something) by accident.
及物 -
2.
To meet (somebody) by chance.
及物