The smoke detector went off in the middle of the night.
半夜时烟雾探测器响了。
She installed a new carbon monoxide detector in her home.
她在家里安装了一个新的一氧化碳探测器。
The metal detector at the airport was very sensitive.
机场的金属探测器非常敏感。
The security team uses a detector to find hidden cameras.
安保团队使用探测器寻找隐藏的摄像头。
The motion detector lights up the hallway when someone passes by.
有人经过时，运动探测器会点亮走廊。
He bought a radar detector for his car.
他为他的车买了一个雷达探测器。
The lie detector test was conducted by the police.
测谎探测器测试是由警方进行的。
A gas leak detector can prevent dangerous situations.
气体泄漏探测器可以防止危险情况。
The scientist used a particle detector in the experiment.
科学家在实验中使用了粒子探测器。
The fire detector alerted everyone in the building.
火灾探测器警示了大楼里的每一个人。
smoke detector 烟雾探测器
motion detector 动作探测器
lie detector 测谎仪
radiation detector 辐射探测器
fire detector 火灾探测器
gas detector 气体探测器
复数: detectors;
