humidity province

例句：

1. 1. The room is too dry; we need to increase the humidity.
   房间太干燥了，我们需要增加湿度。
2. 2. The air in this area is very humid, which can cause health problems.
   这个地区的空气非常潮湿，这可能会导致健康问题。
3. 3. The farmer used a dehumidifier to keep his crops from rotting.
   农民使用除湿器来保持他的庄稼不腐烂。