Tropical means belonging to or typical of the tropics.
tropical diseases.
热带疾病。
a plan to preserve the world's tropical forests.
一个保护世界热带森林的计划。
Tropical weather is hot and damp weather typical of the tropics.
The cool, sweet milk is just what you need in the tropical heat.
清凉的甜牛奶正是你在湿热的高温环境中所需要的。