Russian thistle
russian-thistle的词性:n.(名词)
1. A red-stemmed, prickly Eurasian plant (Salsola kali var. tenuifolia) that is a troublesome weed in western North America. 细叶钾猪毛菜:一种红茎的、有刺的欧亚大陆植物(猪毛菜属羽衣甘蓝 变种 tenuifolia) ,北美西部的一种有害的草