siren

• They stayed underground for twenty minutes and waited for the siren to sound again .
  他们在地下呆了二十分钟，等候警报器再一次响起。
• On large ranches, copters have sirens for scaring out cattle lost in the bush .
  在大的牧场里，直升机装有警报器，可以把失散的牛从灌木丛中吓出来。
• We react to stresses such as the jangle of telephones or the wailing of police sirens .
  我们对于电话的叮铃声，警笛的尖啸声之类使人紧张的情况会作出反应。
• The sirens squealed the all clear through the rain, but neither of them paid any attention .
  汽笛又在雨中长鸣起来，发出解除警报的信号，可是他们两个人谁也没有理会。
• So how about we give sirens and some flashing lights
  我们拉警笛开闪光灯怎么样
• 3 short siren signals : vessel is going backwards
  短声号三响：表示本船正在开倒车
• An ambulance was racing along with its sirens wailing
  救护车响着警报急驰而过。
• Two blocks away , i could already hear the sirens
  还隔着2个街区,我已经听见警笛
• The tiresome pirate sounded siren and let off fireworks
  讨厌的海盗鸣汽笛放焰火
• The air - raid siren screamed through the whole town
  空袭警报在整个城镇中尖叫。