This is the 6927th most frequent Chinese word.
热带
"Tropics" or "tropical zone."
In this sentence, '热带' is used as a descriptor for regions characterized by their tropical climate.
热带地区的气候非常炎热。
The climate of tropical regions is very hot.
Here, '热带' describes fruits that typically grow in tropical climates, indicating the quality of 'tropical'.
我喜欢热带水果，例如芒果和菠萝。
I like tropical fruits, such as mangoes and pineapples.
In this sentence, '热带' modifies '雨林' to specify that the rainforests are located in tropical zones.