tropicsWiktionary 原文中文来自 ECDICTn.热带地区释义（英文）名词 Nounplural of tropic名词 Noun(geography) The region of the Earth centred on the equator and lying between the Tropic of Cancer and the Tropic of Capricorn and characterized by a hot climate.词族派生词（5）boreotropicsextratropicsneotropicspalaeotropicspaleotropics相关词（2）orthotropicstropical