吃透英语课本，提升在校竞争力
v. 擦净；擦亮；四处搜索
n. 擦；冲刷
现在分词：scouring
第三人称单数：scours
过去式：scoured
过去分词：scoured
Ada was scouring out the pans.
阿达在擦锅。
Rescue crews had scoured an area of 30 square miles.
救援人员已经搜遍了30平方英里的范围。
Over the years, the stream had scoured out a round pool in the rock.
经年累月，溪水在岩石上冲出了一个圆圆的水潭。
vi.冲刷；擦；腹泻
mop up
wipe
vt.擦亮，洗涤；冲洗，清除
wash
rub up
n.擦，冲刷；洗涤剂；（畜类等的）腹泻
swabbing
brushup
