Biological weapons, by definition, are any infectious agent, such as a bacterium or virus, used deliberately to inflict harm on soldiers and civilians alike. This classification can include toxins and poisons derived biologically. Biological weapons can be produced nearly anywhere, from government labs to suburban kitchens. 从定义来看，生物武器是指任何蓄意用来伤害士兵和老百姓等的传染手段，如细菌或病毒等。这类武器包括用生物学方法培植出来的毒素和毒药。生物武器几乎到处都可以制造，从政府实验室，到郊区的厨房。 编辑推荐：2009年下半年公共英语考试报名汇总 名师指导公共英语阅读考试技巧 公共英语pets三级全真模拟试卷 公共英语pets二级语法讲解汇总