1. Not as adulteration convicted methods of free acid mine. 不宜作为游离矿酸的掺伪判定方法。
2. At present, the problem of milk adulteration is serious in our country in the field of food safety. 当前，我国食品安全问题日益突出，其中乳制品掺假问题也倍受关注。
3. The press has quoted comparisons of these errors to the adulteration of milk with toxic melamine, which poisoned tens of thousands of infants last year. 媒体打了一个比方，将这些错误比作参杂了三聚氰胺的有毒牛奶，而这批牛奶去年毒死了成千上万的婴儿。
英英解释
n.
1. being mixed with extraneous material; the product of adulterating
2. the act of adulterating (especially the illicit substitution of one substance for another)
