学个词 Learn a Word-VOA英语教学 2590 unapproved

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 vaccines¹ 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...

1 vaccines   

疫苗，痘苗( vaccine的名词复数 )

参考例句：

• His team are at the forefront of scientific research into vaccines. 他的小组处于疫苗科研的最前沿。
• The vaccines were kept cool in refrigerators. 疫苗放在冰箱中冷藏。