| 释义 |       plural of cwm, chiefly British         as in fissures       fissures     cirques     crevices     cañons     gulches     clefts     saddles     canyons     abysses     crevasses     valleys     chasms     gorges     linns       cols     defiles     ravines     kloofs       glens     flumes     dales     passes     notches     gills       couloirs     gaps     vales     basins     coombes     floodplains     coombs     barrancos     kettles     dells     trenches     hollows     combes       gullies     gulleys     gutters     shut-ins     arroyos     washes       gulfs     troughs     barrancas     coulees     nullahs     wadis     draws   |