indicanuria

例句：

1. 1. The device is used to measure the amount of light entering the room.
   这个装置用于测量进入房间的光线量。
2. 2.The indicator lights up when the temperature reaches a certain level.
   当温度达到一定水平时，指示器会亮起。
3. 3.The indicators on the scale show the weight of the objects being weighed.
   秤上的指示灯显示正在称重的物品的重量。