scrub
- n. 矮树；洗擦；擦洗者；矮小的人（或物）
- vt. 用力擦洗；使净化
- vi. 擦洗；进行手臂消毒
- adj. 矮小的；临时凑合的；次等的
考试真题
- Today, because of shrewd advertising and public health campaigns, many Americans habitually give their pearly whites a cavity-preventing scrub twice a day, often with Colgate, Crest or one of the other brands.
2010年考研真题（英语二）阅读理解 Section Ⅱ