Read Edit View history 润滑油 rùnhuáyóu lubricant Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 润滑油/潤滑油 · rùnhuáyóu · lubricant 2026/03/04 润滑油 / 潤滑油 rùnhuáyóu lubricant lubricating oil 机器运行久了需要加点润滑油。 noun created sense Mar 4, 2026, 02:25 AM