extract of liquorice

例句：

1. 1. The herbal tea contains a unique extract of licorice that has been shown to boost memory and concentration.
   这种草本茶含有一种独特的甘草提取物，已被证明可以提高记忆力和注意力。
2. 2. The doctor prescribed the patient an extract of licorice to help with his digestive issues.
   医生为患者开了甘草提取物的处方，以帮助他解决消化问题。
3. 3. The research found that the extract of licorice could be used as a natural remedy for treating anxiety and stress.
   研究发现，甘草提取物可以作为天然疗法用于治疗焦虑和压力。