dangerous to对 ... 有危险dangerousadj.危险的；不安全的Dangerous consciousness风险意识dangerous and beautiful惊险而又优美dangerous goods control危险货物监督dangerous harmful chain危险有害链dangerous goods placard危险品告示牌dangerous control waste危险废物dangerous cross section危险断面dangerous high behavior高危行为dangerous side-effects危险副作用dangerous forecast index危险性预测指标