in AM, also use 美国英语亦用 rain forest
										- N-VAR 热带雨林
 A rainforest is a thick forest of tall trees which is found in tropical areas where there is a lot of rain.- There is worldwide concern about the destruction of the rainforests.
 全世界都在关注热带雨林遭到破坏的问题。
- ...a vast area of tropical rainforest.
 广阔的热带雨林