prenataladj.产前的;出生前的=antenatal.
premiumn.额外费用;奖金;保险费n.(商)溢价adj.高价的;优质的
premonition stage前兆阶段
Premonition observation前兆观测
Premonition Index System预警指标体系
premonition for groundwater inrush突水征兆
premonition system of operational risk经营风险预警系统