| 例句 |
firmamentnoun the expanse of air surrounding the earththe stars in the firmament twinkled ever so brightly a region of activity, knowledge, or influencea major figure in the classical music firmament area, arena, bailiwick, barony, business, circle, demesne, department, discipline, domain, element, fief, fiefdom, field, front, game, kingdom, line, precinct, province, realm, specialty, sphere, terrain, walk frontierstudy, subjectterritory, turfoccupation, profession, pursuit, racket, vocationambit, amplitude, breadth, compass, confine, dimension(s), extent, ken, reach, scope, sweep, widthsubfield, subspecialty in the 13th century |