| 例句 |
cavernsnounpl. of cavern a naturally formed underground chamber with an opening to the surfacea cavern with beautiful stalactites antres, caves, delves(archaic), grots, grottoes(also grottos) abysses, chasms, gulfs, hollowscrawlways, galleries, subways, tunnelsexcavations, mines, pits, shafts, wellsbunkers, dugouts, foxholesburrows, coverts, dens, holes, lairs, lodges, shelters |