Historically, this color came from natural plant-derived indigo.

历史上，这个颜色取自于自然植物的靛蓝色。

For red, orange, yellow, green, blue, indigo and violet. Well, the color indigo just made news.

这些首字母分别代表红、橙、黄、绿、蓝、靛、紫。而靛色最近有了新的消息。

This isn't the case with indigo dye.

靛蓝染料不是这种情况。

At nine feet in length, eastern indigos are considered to be the longest native snakes in the United States.

体长9英尺，东部靛蓝蛇是美国本土最长的蛇了。

As the indigo washes away, it brings minuscule amounts of thread with it.

当靛蓝被冲走时，它会带来少量的线头。

The Japanese indigo plant, for example, makes the blue dye molecule in its leaves.

例如，日本靛蓝植物在其叶子中制造蓝色染料分子。

Duke Ellington and his orchestra recorded a famous song – Mood Indigo – about the deep blue color, indigo.

艾灵顿公爵（Duke Ellington）与其乐队录制了一首著名的描述深蓝色的歌曲：Mood Indigo。

" And it was at that point that I realized we probably had indigo and it was probably the world's oldest indigo."

“就在那时我意识到，我们发现的可能是是靛蓝色，而且这可能是世界上最古老的靛蓝色。”

The researchers grow the microbes in liquid culture, where they replicate and divide to produce the indigo color.

研究人员在液体培养中培养这些微生物，让它们能复制和分裂，产生靛蓝颜色。

And it's in South America that researchers recently found the oldest known example of fabrics dyed with indigo.

最近，研究人员就在南美洲发现了目前已知最古老的靛蓝染色布料。

Indigo dye was used around the ancient world in fabrics created from Egypt to China to Meso and South America.

靛蓝染料在古代用于对布料进行染色，而这些布料一般产自埃及、中国、中美洲以及南美洲等地方。

" The more you wash your denim, the lighter it will become, losing indigo with each wash, " he said.

“牛仔布洗得越多，颜色就会越淡，每次洗都会掉色。”

We also have indigo, Ronnie's favourite colour.

我们还有靛蓝，罗尼最喜欢的颜色。

And the earliest known indigo blue textiles were from Egypt and they date to around 4400 B.P., before present.

此前已知最古老的靛蓝色纺织品来自于古埃及，距今大约4400年。

Bee's wax and indigo are two widely used dyes.

蜂蜡和靛蓝是两种广泛使用的染料。

It's not purple, it's not blue; it's indigo.

它不是紫色，也不是蓝色；是靛蓝。

Later, a woman in indigo induced him.

后来，一个穿靛青色的衣服的女人引诱他。

Her exquisite figure was enhanced by a wonderful gown of indigo charmeuse.

一件精美的靛蓝色查米尤斯礼服衬托出她优美的身材。

" Colors outside the window change " from blue to indigo to midnight black.

“窗外的颜色发生变化”，从蓝色变为靛蓝色，再变为午夜黑色。

South Carolina, rice and indigo, and Georgia will sprinkle the whole composition with sawdust.

南卡罗来纳州、大米和靛蓝以及佐治亚州将在整个构图上撒上木屑。