名詞 rub up:

1. a review that refreshes your memory

1. I'll have to rub up my mathematics.
   我得把數(shù)學(xué)復(fù)習(xí)一下。
2. If you're to spend a year in the United States, you'd better rub up your knowledge of the language.
   如查你將在美國呆上一年時(shí)間，你最好重溫一下你的語言知識(shí)。
3. Rub up the skillet please.
   請(qǐng)把長柄鍋擦亮。
4. I am going to rub up the chromium on the car.
   我準(zhǔn)備把汽車上的鍍鉻部件擦亮。