antiviral model

例句：

1. 1.The researchers developed an antiviral drug to treat the virus.
   研究人员开发了一种抗病毒药物来治疗这种病毒。
2. 2. Antiviral drugs are used to prevent or treat viral infections.
   抗病毒药物被用来预防或治疗病毒感染。
3. 3.The antiviral treatment has significantly reduced the patient's symptoms.
   这种抗病毒治疗已经显著减轻了患者的病情。