n.coarse bristly Eurasian plant with white or reddish flowers and foliage resembling that of a nettle; common as a weed in United States
同义词：dead nettleGaleopsis tetrahit
英汉双解大词典
hemp nettle
1.
N（名词）
a hairy weedy plant, Galeopsis tetrahit, of northern regions, having helmet-shaped pink, purple, and white flowers and toothed leaves: family Lamiaceae (labiates) 瓣花