Quantitative soil analyses have been accomplished by chemical gravimetric and radiotracer techniques . 污垢的定量分析在化学的重量分析以及放射性跟踪技术协助下，已能进行。
The effect of diffusion of soil removal was demonstrated with polyester film and radio-tagged stearic acid . 污垢去除中的扩散效应，是用聚酯薄膜和放射性标志的硬脂酸来进行测试的。
Fluid stains form alternating high and low spots which reflect the surface energies of fluid and fiber . 流体污垢形成或多或少的交错散布的斑点，这反映了流体与纤维双方面的表面能。
Only soils which become strongly attached to coatings at elevated temperatures would be difficult to remove by laundering . 只有当油质污垢在高温下，牢固地附着在涂层表面时，才不易洗涤除去。
By manipulating light reflection to give the appearance of cleanliness, the presence of soils on textiles may be covered without removing them . 通过控制光线的反射，可以提高纺织品的表观清洁程度，因污垢被掩盖而不必全予以去除。
Till i get all the grime and dirt out of my system 把身上这些灰尘污垢都洗掉
There was a coating of slime on the unwashed sink 未刷洗的水槽上有一层污垢
The children gibed at the beggar for his dirty face 孩子们取笑那个满脸污垢的乞丐。
Easily remove the stubborn stains on collar and cuffs 易洗去衣领，袖口的顽渍污垢。
Wash the dirt off your hands before dinner 吃晚饭前把你双手上的污垢擦掉。
