Melamine, a chemical normally used to make plastics, has been found in fresh milk, powders and yogurt from more than 20 Chinese dairy producers.

• 三聚氰胺是一种用于制造塑料的化学物。在中国20多家奶制品企业的鲜奶、奶粉及酸奶中都发现了三聚氰胺。