英语翻译
annunciatorwarneralarm systemannounciatoralarm equipmentsiren
实用例句
- 虽然家中剩下的贵重物品现都存放在银行里了,他还是安装了999电子报警器。
Although the family's remaining valuables are now lodged with the bank, he has installed an electronic999 dialling system. - 火警报警器响个不停。
The fire-alarm kept jangling (away). - 报警器正发出火警警报。
The fire-alarm is giving warning of fire.