Indigo blue 紫蓝色 ; 蓝色
indigo-blue 靛蓝色 ; 靛青
benzo-indigo-blue 苯并靛蓝
indigo blue printing fabric 靛蓝花布
soluble indigo blue [试剂] 可溶靛蓝 ; 可溶性靛蓝
thio-indigo blue 硫靛蓝
Indigo-blue dye wastewater 靛蓝染料废水
The blue dye is obtained from the indigo plant.
蓝色染料是从靛蓝植物中提取的。
The blue vat dye obtained until about 1900 entirely from some species of the indigo plant.
直到大约1900年，蓝色还原染料都是从靛蓝植物中提取的。
Have you ever heard the proverb "Blue is extracted from the indigo plant, but is bluer than it"?
你听过“青出于蓝而胜于蓝”这句谚语吗?
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