anti-virus effect的用法和樣例：
例句
- Isatis-Root extract powder is active against virus.
板藍根浸膏粉有抗病毒作用。 - I was lucky in that by doing research on antioxidants to find that a very old plant remedy called silibinin has a very powerful non-interferon mediated action against the virus.
我非常幸運地在研究抗氧化研究，發現了非常古老的植物治療藥物叫水飛薊賓，它有非常有效的非干擾素介導的抗病毒作用。
