preventiveadj.预防的;防病的n.预防物;预防性措施
preventive methods防治方法
Preventive dentist预防牙科医生
preventive therapy预防疗法
preventive custody预防性看押
Preventive tactics预防策略
preventive capital防护成本法
preventive savings预防性储蓄
preventive stratum预防层
preventive eugerics预防优生学
Preventive standard预防标准