预先: in advance; beforehand警戒: warn; warning admonish be on ...的: 4次方是 The fourth power of 2 i ...预先警戒的, 预防的, 留心的: precautionary警戒的: alerting; aposematic; cautionary; vigilant使警戒的: sematic无警戒的: guardless用作警戒的: serving as a warning远程警戒的: early-warning预先警告: forenotice; forewarning; presage; previse预先警告,预兆: premonition预先警告，预防: precaution预先警告的: forewarning; precautionary预先警告地: forewarningly担任警戒的狗: a guard dog空中预先警报: airborne early warning预先警报系统: early warning system预先警告范围: precautionary range预先警告信号: advance warning signal无警戒的, 无保护的: guardless对某事物给某人预先警告: give sb advance warning/notice of sth空中预先警报和控制: airborne early warning and control; airborneearlywarningandcontrol预告装置, 预先警告装置: distant warning device预示；预知；预感；预言；预先警告；前兆: presage禁戒的: forbidden
