warn
【词性】：v． 【释义】： 警告 ‖warning n．警告，警报 ◇take warning from引以为戒，吸取教训 warning alarm警报warning apparatus报警信号器warning board警告牌warning buzzer警告蜂鸣器warning device报警装置warning distance警告距离warning facility报警设备warning indicator报警指示器warning lamp告警灯warning limit警戒线warning network警报网warning position警告位置warning radio beacon无线电警戒航标warning receiver报警接收机warning red紧急警报warning service警报勤务warning sign警报信号warning signal警报信号warning station警报台warning white解除警报warning yellow预备警报warner n．警告器 |