- 亚热带 yàrèdài subtropicalsubtropical zone or climate
- 热带雨林 rèdàiyǔlín tropical rainforesttropical rain forest
- 热带鱼 rèdàiyú tropical fish
- 副热带 fùrèdài subtropicalsubtropical zone or climate
- 原始热带雨林 yuánshǐrèdàiyǔlín virgin rainforestvirgin tropical rainforest
- 热带风暴 rèdàifēngbào tropical storm
- 热带地区 rèdàidìqū tropicsthe tropics
- 新热带界 Xīnrèdàijiè NeotropicNeotropic (ecozone)
- 旧热带界 Jiùrèdàijiè Afrotropical realmthe Afrotropical realm in biogeography