rub up
动词- To polish or scrub; to cover (something with a substance) by rubbing. · I rubbed up the brass buttons on my jacket to make them shine.· The pitcher rubs up the new baseball with dirt to get a better grip.
- To rub (a body part): to massage, give a massage to.
- To rub on someone or something. · The cat rubbed up on my legs.
- To create (something) by rubbing. · to rub up a lather· The new shoe rubbed up a blister on the back of his foot.
- To revive one's knowledge of (something); to renew (a skill).
- To assault (someone).
在真实文章中学习rub up
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