1. Staining of ancient China is contained in natural plant pigments, such as the indigo blue dye. 我国古代染色是采用天然植物中所含的色素，如染青蓝色的靛蓝。
2. Indigo is a photorealistic renderer which simulates the physics of light to achieve near-perfect image realism. 靛蓝是一个真实感渲染器，模拟光的物理实现近乎完美的形象逼真。
3. Closer to the ship, occasional vague, reptilian shapes would blunder into the interdiction field, cry out, and then crash away through indigo mists. 靠近飞船的地方，偶尔有些爬行动物会磕磕碰碰地误撞入阻断场，然后尖叫一声，坠入靛青色的迷雾中。
英英解释
n.
1. a blue dye obtained from plants or made synthetically
2. deciduous subshrub of southeastern Asia having pinnate leaves and clusters of red or purple flowers;
3. a blue-violet color adj.
1. having a color between blue and violet
