He said he was not currently using melamine. But he then pulled out a plastic bag containing what he said was melamine powder and said he could dye it any color to match the right feed stock.

他说，他目前也没有用到三聚氰胺。但随后他拿出一张一个塑料袋子，里面装的据说就是三聚氰胺粉，并说这种物质可以作为染料使得产品的颜色与饲料的原料一样。

youdao

List of substandard milk powders: People searched for this after learning that many brands of milk powder had been laced with melamine, a toxic industrial chemical.

不合格奶粉名单：了解到多个品牌的奶粉掺加了有毒化工原料三聚氰胺的消息后，人们纷纷上网搜索这一名单。

youdao

In 2008, melamine-tainted milk powder killed at least six infants and sickened 300,000 children across the country, which led to consumers in China losing faith in the country's diary industry.

在二〇〇八年，三聚氰胺奶案令至少全国六名婴儿死亡，三十万孩童染疾，导致国民不再信任国产奶品。

youdao

The authorities are now trying to trace around 100 tonnes of melamine-contaminated milk powder that is believed to be back in circulation.

ECONOMIST: Dissent becomes even more dangerous

For instance, the scandal over melamine-contaminated milk powder last year was handled relatively well by the central government, with punishments handed down to those responsible and compensation paid to the victims.

WSJ: The Urumqi Effect

Similar worries seem to have prompted the arrest in November of Zhao Lianhai, who had been campaigning on behalf of the parents of some 300, 000 children who were affected by milk powder tainted with melamine, an industrial chemical, in 2008.

ECONOMIST: Dissent becomes even more dangerous