a forest in a tropical region of the world where it rains a lot . Rainforests are considered to be important environmental areas and many people want them to be protected by law 热带雨林
the Amazon rainforest 亚马孙雨林
areas of rainforest 热带雨林区域
a campaign to halt the destruction of the rainforest 一场阻止毁坏热带雨林的运动