问题描述：
句型解释
the sensor installed on the door monitors the temperature.是什么结构?是不是也可以用to monitor 替换monitors?
这句能否这么改the sensor is installed on the door to monitor the temperature.
the sensor installed on the door monitors the temperature.是什么结构?是不是也可以用to monitor 替换monitors?
这句能否这么改the sensor is installed on the door to monitor the temperature.
问题解答：
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