antiviral substances的用法和樣例：
例句
- Interferon is probably the most significant nonspecific antiviral substance.
干擾素可能是最重要的一類(lèi)非特異性抗病毒物質(zhì)。 - On Sunday, Xinhua reported that no trace of toxic or viral substances were found in blood samples taken from victims.
在星期日，新華社報道，在從受害者提取的血液樣本中沒(méi)有發(fā)現有毒或病毒物質(zhì)的跡象。
