形容词 alert:

1. engaged in or accustomed to close observation

2. quick and energetic

3. mentally perceptive and responsive

alertadj.警觉的；灵敏的vt.使意识到；警惕n.警戒；警报alert effect警示效果alert akwats随时警告alert method预警方法alert legend报警图例alert recall用警报召唤人员alert window报警窗口alert alwaysn.随时警告alert signal报警信号alert status警戒状态; 待战状态; 战斗准备状态alert popups弹出式警告