hygroscopin

例句：

1. 1. The hygroscopin was used to measure the room's humidity level.
   湿度计用来测量房间的湿度水平。
2. 2. The doctor recommended using a hygroscopin to check the air quality in the hospital.
   医生建议使用湿度计来检查医院的空气质量。
3. 3. The weather forecast indicated that there would be high humidity levels during thenext few days.
   天气预报显示，未来几天的湿度将会很高。