stumble across

v.

偶然发现；

Scientists stumble across unknown stem-cell type
Non-Philatelists Who Stumble Across Us
US scientists stumble across joined-pentagon ?Bucky egg?
YOU STUMBLE ACROSS A REPORT THAT REVEALS YOUR PARTNER HAS HEPATITIS C
Disruption in the ICT-sector: Will former telecommunications monopolists stumble across VoIP?
[Case Report: young woman with reduced state of consciousness - rescue team stumble across curious cause]
Newly fitted brown windows hide one of the top budget choices you’ll stumble across. Feast on platters of uncomplicated...
Faith & Reason: How to Stumble across the Spiritual in the Christmas Rush ; We Tend to Assume the Deeper Meaning of the Nativity Can...
Ghoulish find has Dakota County setting rules on geocaching; Parks will monitor hidden caches after teens stumble across "coffin.".(...
Decadent London; A New V&A Exhibition Focuses on Art Deco Pieces from around the World, but You May Stumble across an Outrageously B...