dangern.【U】危险n.【C】危险物(或人);威胁
danger detection危险检测
Danger behaviour危险行为
danger situation危险情境
danger to somety对社会的危险
dangerons goodes危险品
danger from fire来自火灾的危险
danger evaluation危险性评价
danger and threat危险和威胁
danger prevention防险
danger prediction危险性预测