用对比染色剂染 ( 显微术样本 )

To color ( a microscopic specimen ) with such a stain.

还有一些含有有害染色剂。

A few dozen also had unsafe color additives.

肯德基中国分店所销售的烤鸡翅和鸡肉汉堡包被发现含有禁用食物染色剂苏丹红一号。此种染色剂中含有致癌物质。

The banned food colouring Sudan 1, a carcinogen, has been discovered in batches of roast chicken wings and chicken burgers on sale at KFC fast food outlets in China.

汽水中使用的染色剂也是一种致癌物质。

Colorings used in sodas are cancer-causing.

汽水中使用的染色剂也是一种致癌物质.

Colorings used in sodas are cancer - causing.

为达到理想的视觉效果有时还会加入颜料和染色剂.

Pigments and tints are sometimes added to achieve the desired visual effect.

数百年来一直在使用胭脂虫，它是非常好用的衣服染色剂。

Cochineal has been used for hundreds of years and it is also a very popular cloth dye.

良好的染色剂加入方法可以减少脱色、败色和色斑造成的损失。

The good method of colorant added can reduce the loss for off color, off shade and spot.

黄木一种可产生黄色染色剂的热带美洲产雌雄异株树木 ( 黄木或染料桑木 )

A small dioecious tropical American tree ( Chlorophora tinctoria ) having wood that yields a yellow dyestuff.

研究需要公众参与。英国国家医疗服务体系（NHS）同样警告黑色和偏灰色的染色剂也有问题。

The public will be asked to contribute to the research. The NHS has also warned of the dangers of 'black'or 'neutral' henna.