今天我们要学的词是 unapproved. 

Unapproved 形容词，未经批准的。

Researchers found that there are 570 clinics in the United States that offer unapproved stem cell therapy to patients. 

研究人员发现，美国各地有570家诊所在未经批准的情况下向患者提供干细胞治疗。

Indonesian lawmakers urged authorities to seize from hospitals and clinics all vaccines made by unapproved manufacturers. 

印尼议员敦促有关当局收缴医院和诊所里所有由未经批准的厂商生产的疫苗。

好的，我们今天学习的词是 unapproved, unapproved, unapproved...