created sense approved 油污 · yóuwū · grease
油污
yóuwū
grease
greasy dirt or oily stains
厨房的墙壁上积满了厚厚的油污。
noun
created sense approved 油污 · yóuwū · sludge
油污
yóuwū
sludge
oil sludge or contamination, often resulting from an oil spill
油轮泄漏后,海面上漂浮着大片油污。
noun