润滑油 Traditional 潤滑油 rùn huá yóu 🔊 lubricating oil + Review this word Meanings rùn huá yóu 潤滑油 lubricating oil Its characters 润rùnmoist; glossy; sleekHSK 7–9滑huáto slip; to slideHSK 5油yóuoilHSK 4