preventiveadj.预防的；防病的n.预防物；预防性措施preventive service缉私队,缉私工作preventive seeping防渗preventive meaures[法] 预防措施preventive defence预防preventive farming保护性耕作Preventive nursing预见性护理preventive control预防控制Preventive testing预防性试验preventive vaccine预防用疫苗preventive measure预防措施

1. But this is not a compelling argument against preventive war.
   但这并不足以推翻预防性战争的观点。
2. They are broadcasting the news about the disastrous war.
   他们正在播出这场灾难性战争的新闻。