| 例句 |
gold minesnounpl. of gold mine an abundant sourcethe estate sale promises to be a gold mine for antique dealers argosies, cornucopias, mines, mother lodes, treasure troves, wellsprings armories, repositories, stockpots, storehouses, stores, treasure-housescaches, hoards, stashesbonanzas, Golcondas, gravy trains, honeypots black holes, sinkholes |