rag weed

英 美
  • 豕草,豕草属
  • rag n.破布;碎布;破衣服;(低劣的)报纸
  • weed n.杂草;野草n.衣服;丧服vi.除草;清除;淘汰
名词 ragweed:
  1. widespread European weed having yellow daisylike flowers; sometimes an obnoxious weed and toxic to cattle if consumed in quantity

  2. any of numerous chiefly North American weedy plants constituting the genus Ambrosia that produce highly allergenic pollen responsible for much hay fever and asthma