靛蓝蓝色还原染料，约在1900年以前，一直是从木蓝植物获得。

Indigo: Blue VAT dye, obtained until about 1900 entirely from some species of the indigo plant.

youdao

靛蓝蓝色还原染料，约在1900年以前，一直是从木蓝植物获得。

Indigo: Blue VAT dye, obtained until about 1900 entirely from some species of the indigo plant.

youdao