scour
🇺🇸
/ˈskaʊər/
🇬🇧
/ˈskaʊə(r)/
To look through something carefully to find something or someone.
I've been scouring the internet for the best deals on flights.
我一直在互联网上搜索航班的最佳交易。
To clean something by scrubbing its surface with a rough material.
She scoured the pot until all the burnt food was gone.
她擦洗锅子直到所有烧焦的食物都消失了。
To wear away or erode something by the force of water or wind.
The strong current scoured a deep channel in the riverbed.
强劲的水流在河床上冲刷出了一条深水道。