详细解释:n. 染料木
英语解释：
名词 greenweed:
small Eurasian shrub having clusters of yellow flowers that yield a dye; common as weed in England and United States; sometimes grown as an ornamental同义词：woodwaxen, dyer's greenweed, dyer's-broom, dyeweed, whin, woadwaxen, Genista tinctoria