警报器用英语怎么说？

警报器

• siren，[机] alarming apparatus，annunciator

例句

• A professionally installed alarm will cost from about ￡500. 请专业人员安装的警报器要花费至少500 英镑。
• In case of danger, raise the electric alarm. 如果有危险, 就拉响电动警报器。
• 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.
• The fire engines were just pulling up, sirens blaring. 消防车正要停下来，警报器发出刺耳的声音。
• Actuates an alarm when flow is inadequate, deactivates alarm when sufficient flow is restored. 当流量不充分时, 启动警报器,当流量恢复充足流量时,则关闭警报器.
• Then the fire alarm went off. I just grabbed my clothes and ran out. 当时火险警报器响了，我一把抓起衣服就往外跑。
• Zhen Yu company is committed in the design , derelopment production and distributing of warning lightings, siren and loudhailer. 振宇公司是专业从事警示灯 、 警报器扬声器的设计、开发、生产及销售的企业.
• The burglar alarm is activated by movement. 这防盗警报器一动就会响。
• Bedrooms are fitted with alarm pull cords to alert the manager in an emergency. 卧室中装有警报器拉绳，遇到紧急情况时可向经理报警。
• She heard the sirens scream their unearthly wail. 她听到警报器发出可怕的尖叫声。

汉语词典释义

• 词语 警报器（警報器）
  拼音 jǐng bào qì
  拼写 jingbaoqi
  解释 发放警报信号的器具。用于发放预报、警报和解除警报的信号。
  释义

  发放警报信号的器具。用于发放预报、警报和解除警报的信号。