madder
n. [植]茜草属的植物；[纺]洋茜；人造茜草染料
sp. 形容词mad的比较级.
近义词：Rubiatinctorum，
英英释义
Noun
- Eurasian herb having small yellow flowers and red roots formerly an important source of the dye alizarin
Verb
- color a moderate to strong red
例句
用作名词(n.)
- Madder lake is a textile dye extracted from the root of the madder plant.茜草红素是从茜草根里提取的纺织染料。