学个词 Learn a Word-VOA英语教学 2091 experimental

今天我们要学的词是 experimental. Experimental 形容词，意思是试验的。埃博拉疫情已造成数百人死亡。WHO experts are considering whether to use experimental drugs to treat the Ebola outbreak. 世界卫生组织正在考虑是否采用尚在试验阶段的药物，为埃博拉疫情患者提供治疗。美国疾病预防控制中心说，The experimental serum¹ that was used to treat two American patients is in very limited supply. 用于治疗两名美国患者的试验性血清的供给量十分有限。好的，今天我们学习的词是 experimental, experimental, experimental...

1 serum   

n.浆液，血清，乳浆

参考例句：

• The serum is available to the general public.一般公众均可获得血清。
• Untreated serum contains a set of 11 proteins called complement.未经处理的血清含有一组蛋白质，共11种，称为补体。