Red bugs called cochineal are the source for a red color used in dyes.

被称为胭脂虫的红虫子是红的来源。

Conservationists in South Africa are infusing a special red dye into the horns of live rhinos.

南非环保人士将一种特殊的红注入活犀牛的角中。

What the FDA is doing specifically is revoking the authorization of red dye number 3 as a type of color additive.

美国食品及药物管理局颁布的具体做法是撤销3号红作为颜添加剂的授权。

We marked a weak rip current with red fluorescent dye, which otherwise would not have been apparent.

我们用红荧光标记了一个微弱的离岸流，否则会十分不明显。

It's either red or pink dye, okay?

-要么是红要么是粉，好吗？

This bright red dye is produced by a specific kind of true bug: female cochineal scale insects.

这种鲜红是由一种特殊的真正昆虫产生的：雌性胭脂虫。

Like, I was using one vegetable, a bee root, for a red dye, and I had to chop up a whole pile of it.

比如，我用一种蔬菜，甜菜根，来制作红，我不得不切碎一大堆。

On Saturday, California Governor Gavin Newsom signed a law that bans Red dye No.3 and other potentially harmful food additives and consumer goods.

上周六，加亚州长加文·纽森签署了一项法律，禁止使用红3号和其他具有 潜在有害物质的食品添加剂和消费品。

He simply used the red dye the factory had available at the time, transforming the bubblegum from gray into the iconic pink confection we know today.

他只是使用了工厂当时可用的红，将泡泡糖从灰转变为我们今天所知的标志性粉红糖果。

Today, the main exporters of the red dye are Peru and the Canary Islands, where the bugs are farmed on prickly pear plantations.

今天，红的主要出口国是秘鲁和加那群岛， 那里的仙人球种植园养殖了这种虫子。

It's name comes from the Moroccan city Fez, the city that historically produced dye made from crimson berries to color the hat.

它的名字来自摩洛哥城市非斯，这座城市历史上生产由深红浆果制成的来为帽子着。

Eosinophils take up a red acidic dye called eosin; their main function is to detoxify foreign proteins, especially those causing allergic reactions.

嗜酸性粒细胞吸收一种叫做伊红的红酸性;它们的主要功能是解除外源蛋白质，特别是那些引起过敏反应的蛋白质的毒性。

As the plants grew, scientists injected the plant stems with red and blue dyes so that they could distinguish between the roots of competing plants.

随着植物的生长，科学家们将红和蓝注入植物茎中，以便他们能够区分竞争植物的根。

Back in his day, a few scientists had been tinkering with staining tissues, especially with a compound called carmine — a red dye derived from the scales of a crushed-up insects.

在他那个时代，一些科学家一直在修补组织，特别是一种叫做胭脂红的化合物——一种从压碎的昆虫鳞片中提取的红。