求翻译：热带雨林是生长在热带地区的一种特殊森林系统。林中树种繁多，附生植物密布，藤本植物品种多数量大，棕榈科阔叶植物茂盛，落叶植物极少，一年四季花果常有。由于结构复杂，植物茂盛，热带雨林也成为众多野生动物的理想栖息地。作为地球上最复杂和重要的生态系统，热带雨林被人们形象地称为“地球之肺”，具有重要的生态价值和科研价值。 在世界范围内，热带雨林主要分布在北纬20度线和南纬20度线之间。是什么意思？

Tropical rain forests grow in tropical regions, a special forest systems. Range of forest tree species, epiphytes clouds, vine varieties of the majority of large amount of very few palm broad-leaved plants lush, deciduous plants, flowers and fruits often throughout the year. Complex structure, lush

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Rainforest is a special forest grows in tropical areas of the system. Range of tree species in the forest, epiphytes, BEB, vine variety is big enough, palms and broad-leaf plants lush, very few deciduous plants, year round fruit and flowers often. Because of the structure of complex plants lush, tro