microwave detector

例句：

1. 1.The microwave detector detected the incoming microwave signal.
   微波炉探测器检测到了进来的微波信号。
2. 2.The microwave detector was used to detect the presence of a hidden object.
   微波炉探测器被用来探测隐藏物体的存在。
3. 3.The microwave detector was used to detect the presence of a hidden bomb.
   微波炉探测器被用来探测隐藏炸弹的存在。