| 例句 |
treasure trovenoun an abundant sourcethe ancient city, having been almost perfectly preserved under volcanic ash for nearly 2,000 years, is proving to be a treasure trove of archaeological information argosy, cornucopia, gold mine, mine, mother lode, wellspring armory, repository, stockpot, store, storehouse, treasure-housecache, hoard, stashbonanza, Golconda, gravy train, honeypot black hole, sinkhole in 1523 |