focus

focus

名词 focus:

the concentration of attention or energy on something

同义词：focusing, focussing, focal point, direction, centering

maximum clarity or distinctness of an image rendered by an optical system

maximum clarity or distinctness of an idea

a central point or locus of an infection in an organism

同义词：focal point, nidus

special emphasis attached to something

同义词：stress

a point of convergence of light (or other radiation) or a point from which it diverges

同义词：focal point

a fixed reference point on the concave side of a conic section

动词 focus:

direct one's attention on something

同义词：concentrate, center, centre, pore, rivet

cause to converge on or toward a central point

bring into focus or alignment; to converge or cause to converge; of ideas or emotions

同义词：concenter, concentre, focalize, focalise

become focussed or come into focus

同义词：focalize, focalise

put (an image) into focus

同义词：focalize, focalise, sharpen