humidity recorder

例句：

1. 1.The humidity recorder showed that the room was too dry.
   湿度记录器显示房间太干燥了。
2. 2.We used the humidity recorder to monitor the air quality in our office.
   我们使用湿度记录器来监测我们办公室的空气质量。
3. 3.The humidity recorder helped us understand the impact of climate change on our environment.
   湿度记录器帮助我们理解气候变化对我们环境的影响。