油污
word C2- greasy dirt
- sludge (from an oil spill)
Its characters
From the library
因为沾满了食物残渣和油污，很多塑料盒无法直接进行回收。
Learn 油污 in real texts
With a free account, hover any word in the library for its meaning, hear it read aloud, save words for review timed to your memory, and see how much of each book you already know.