英语语法分析

Some countries have built up stocks of antiviral drugs over the past few years.

过去几年中某些国家已经建立起抗病毒的药物储备。

The researchers say the model will allow them to screen new antiviral therapies.

研究者们称该模型有助于他们筛选新的抗病毒治疗。

Antiviral therapy is reserved for cases of varicella-zoster and herpes simplex infection.

对于水痘-带状疱疹及单纯疱疹病毒感染的病人可使用抗病毒疗法。