Old CityWiktionary 原文英美构词拆解old词干+city词干词源说明old + city(Indian Ocean vent field): Coined in analogy to Lost City, being an older analog of the Lost City.释义专有名词proper noun1A number of places in the United States2(oceanography, geology) A hydrothermal vent field on the Central Indian Ridge on the floor of the Indian Ocean.同族词相关词 4New City·Old Town·