短语词组短语premonitory pains 翻译;先兆阵痛premonitory registration 预告登记premonitory anomaly 前兆异常premonitory phase 前兆期Premonitory signal 前兆性premonitory system 预警系统premonitory slip 前兆滑动macroscopic premonitory 宏观前兆 返回 premonitory