region of humid tropics

例句：

1. 1. The air is humid in the afternoon.
   下午空气潮湿。
2. 2. The rainforest is humid and lush.
   雨林潮湿而繁茂。
3. 3. Humidity levels are high in this region of humid tropics.
   这个热带湿润区域的湿度水平很高。