verb🔗Share윤활유를 바르다, 매끄럽게 하다To make slippery or smooth (normally to minimize friction) by applying a lubricant."The oil lubricates the bicycle chain, making it easier to pedal. "오일은 자전거 체인에 윤활유를 발라 페달을 밟기 쉽게 해줍니다.technicalmachinephysicsChat with AIVocabulary GamePractice Reading
