indigo blue的用法和樣例：
例句
用作名詞 (n.)
- Indigo dyes can be used on wool.
靛藍染料可用于羊毛面料。 - Staining of ancient China is contained in natural plant pigments, such as the indigo blue dye.
我國古代染色是采用天然植物中所含的色素，如染青藍色的靛藍。 - Ionized nitrogen molecules issued purple and blue light.
電離的氮分子則發(fā)出紫藍色的光。 - The aspic is one kind of strongly fragrant purple blue color floret.
薰衣草是一種馥郁的紫藍色的小花。
