tropical fish 热带鱼
Leprosy is one of the few tropical diseases which could soon be eradicated. 21世纪初有几种热带病可以彻底根除，麻风病就是其中之一。
She specializes in tropical medicine (= the treatment of diseases from the tropical areas of the world). 她专门医治热带病。
The hurricane was downgraded to a tropical storm when its speed dropped to 70mph. 当飓风的速度降为每小时70英里时，就减弱为热带风暴。
- Deforestation is destroying large areas of tropical rain forest.
- I dream of living on a tropical island.
- In cool climates you have to grow tropical plants under glass.
- The tropical butterfly's wings were shimmering with all the colours of the rainbow.
- The tropical sun beat down on them mercilessly.