名词
中文翻译：Unknown
同义词：
['gauge', 'indicator', 'measure', 'gauge', 'scale']
例句：
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1. The gradometer on the car shows the speed of the vehicle.
汽车上的测速器显示了车辆的速度。
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2.The teacher used a gradometer to show how much progress the students had made.
老师用一个测速器来展示学生们的进步情况。
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3.The gradometer was used to measure the temperature in the room.
测速器被用来测量房间里的温度。