thumb blue

• n. 靛蓝

thumb blue的用法和样例：

例句

用作名词 (n.)

1. But what you don't know is that that sweater is not just blue, it's not turquoise, it's not lapis, it's actually cerulean.
   但是你不知道这件毛衣不只是蓝色的而已，它不是松石绿，不是靛蓝，恰恰就是天蓝色。
2. 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。