'Alarmer'是英国的词语，中文翻译为“报警器”。
'Alarmer'是指一种装置或设备，它能够发出警报或警报信号，以通知人们发生紧急情况或危险事件。在英语中，'alarmer'通常和警报系统、火警系统、安全警示系统等相关。
以下是9个含有'alarmer'的例句：
1. The smoke alarmer went off in the middle of the night, waking up the whole family.（烟雾报警器在半夜响了起来，惊醒了全家人。）
2. This building is equipped with a state-of-the-art fire alarmer system.（这座大楼配备了最新的火警报警系统。）
3. The car alarmer went off when someone tried to break into the vehicle.（汽车警报器在有人试图闯入车辆时响了起来。）
4. The security alarmer in the bank went off when the robbers tried to break into the vault.（银行的安保警报器在劫匪试图破门而入时响起。）
5. The flashing lights and loud alarmer on the ambulance alerted everyone to the emergency situation.（救护车上闪烁的灯光和大声的警报器向所有人警示了紧急情况。）
6. The alarmer on the safety helmet went off when the worker fell off the scaffolding.（工人从脚手架上摔下来时，安全头盔上的警报器响了起来。）
7. The security guards were alerted by the alarmer when someone tried to enter the restricted area.（有人试图进入禁区时，安保警报器使保安人员警觉起来。）
8. The flood alarmer warned the residents of the approaching danger and prompted them to evacuate.（洪水警报器警告居民危险正在逼近，并促使他们撤离。）
9. The alarmer on the doorbell sent a signal to the house owner's phone when someone rang the bell.（门铃上的报警器在有人按门铃时向房主的手机发送信号。）
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