natural indigo

常见例句

Indigo is a natural ingredient in blue.
靛青是蓝色的一种自然配料。
dict.cn
Our natural indigo products: pure cotton sock china print cotton cloth linen cloth silk jean etc.
天然靛青染色的产品有：纯棉袜子，含棉针织布料，亚麻布，丝绸，牛仔布等。
It is reddish-purple with Tyre that it is indigo that two kinds of mainer natural dyestuffs including indigo kind of structure are.
含靛类结构的两种较主要的天然染料是靛蓝和泰尔红紫。

At first Amgen tried using genetic engineering to create organisms that would extract oil from shale, man-made proteins that would make chickens grow faster and new specialty chemicals such as a cloned indigo, a substitute for the natural dye used to color blue jeans.
FORBES: Biotech Behemoth
The colours used are mainly natural: reds, blues, browns and whites produced from dyestuffs including madder, indigo, lettuce leaf, walnut skin, cherry stem and pomegranate skin.
UNESCO: Culture