sphere

sphere

名词 sphere:

a particular environment or walk of life

同义词：domain, area, orbit, field, arena

any spherically shaped artifact

the geographical area in which one nation is very influential

同义词：sphere of influence

a particular aspect of life or activity

同义词：sector

a solid figure bounded by a spherical surface (including the space it encloses)

a three-dimensional closed surface such that every point on the surface is equidistant from the center

the apparent surface of the imaginary sphere on which celestial bodies appear to be projected

同义词：celestial sphere, empyrean, firmament, heavens, vault of heaven, welkin