indigo

靛蓝、靛青色

The evening sky slowly deepened from blue to indigo.

傍晚的天空由蓝色慢慢转为靛青色。

靛蓝染料

These jeans are dyed with natural indigo from plants.

这些牛仔裤是用植物提炼的天然靛蓝染料染成的。

木蓝、蓝草植物

Farmers here once grew indigo for the dye trade.

这里的农民以前种植木蓝供染料买卖。

靛蓝色的、靛青的

She wore an indigo scarf that matched her coat.

她围著一条与外套相衬的靛蓝色围巾。