rub up
فعل- 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).
تعلّم rub up في نصوص حقيقية
مع حساب مجاني، مرّر المؤشر فوق أي كلمة في المكتبة لترى معناها، واستمع إليها مقروءة بصوت عالٍ، واحفظ الكلمات لمراجعتها في مواعيد تناسب ذاكرتك، واعرف مقدار ما تعرفه من كل كتاب.