报警器 (bào jǐng qì) — alarm (e.g., burglar or fire alarm); warning device

Definition

Examples

• 我们的公司安装了新的报警器。
  Wǒ men de gōng sī ān zhuāng le xīn de bào jǐng qì.
  Our company installed a new alarm.
• 火灾报警器突然响了，大家都吓了一跳。
  Huǒ zāi bào jǐng qì tū rán xiǎng le, dà jiā dōu xià le yí tiào.
  The fire alarm suddenly went off, and everyone was startled.
• 请检查一下报警器电池有没有电。
  Qǐng jiǎn chá yí xià bào jǐng qì diàn chí yǒu méi yǒu diàn.
  Please check whether the alarm battery has power.