billion-dollar grass

英 美
  • n.湖南稷子
  • billion n.十亿
  • dollar n.美元
  • grass n.草;草地vt.喂(草);(以草)覆盖;告发
Noun:
  1. coarse annual grass cultivated in Japan and southeastern Asia for its edible seeds and for forage; important wildlife food in United States