名詞 scouring:

1. moving over territory to search for something
2. the act of cleaning a surface by rubbing it with a brush and soap and water
   同義詞：scrub, scrubbing

動詞 scour:

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

1. She scoured the saucepan with cleanser.
   她用清潔劑把鍋擦亮。
2. Something that is scoured off or disposed of; refuse. Often used in the plural.
   垃圾，廢物，污物被沖刷或處理掉的東西。常作復(fù)數(shù)
3. The boilers will have to be scoured out to remove the calcium deposits.
   鍋爐內(nèi)壁要洗刷一下，除去鈣質(zhì)沉淀物。
4. He scoured off the dirt from the floor.
   他擦去地板上的污垢。