echinacea

例句:

• The herb extract echinacea has immune - enhancing properties.
  松果菊属草药提取物也可以提高免疫力.
  
• Some people take echinacea, which enhances the immune system, for the common cold.
  有人用可以提高免疫系统的紫锥花属治疗普通感冒.
  
• An Echinacea extract is usually made from the root or the whole plant of the herb.
  紫锥菊提取物一般由草药的根或全株制成.
  
• Echinacea also is helpful in this regard.
  来自SA
• Zinc and echinacea supplements may possibly help to settle a cold more quickly.
  来自BBC
• Some, such as the herbal treatment echinacea, may be useful, but there isn't enough evidence yet to recommend these therapies.
  来自BBC