scour

名词 scour:

1. a place that is scoured (especially by running water)

动词 scour:

1. examine minutely
2. clean with hard rubbing
   同义词：scrub
3. rub hard or scrub
   同义词：abrade
4. rinse, clean, or empty with a liquid
   同义词：flush, purge

1. He scoured off the dirt from the floor.
   他擦去地板上的污垢。
2. The police scoured the area looking for the lost child.
   警方搜遍这个地区寻找这个走失的孩子。