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Focus

['fəʊkəs] or ['fokəs]

解釋/意思:

(noun.) maximum clarity or distinctness of an image rendered by an optical system; 'in focus'; 'out of focus'.

(noun.) maximum clarity or distinctness of an idea; 'the controversy brought clearly into focus an important difference of opinion'.

(noun.) the concentration of attention or energy on something; 'the focus of activity shifted to molecular biology'; 'he had no direction in his life'.

(noun.) a fixed reference point on the concave side of a conic section.

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

(noun.) a central point or locus of an infection in an organism; 'the focus of infection'.

(verb.) put (an image) into focus; 'Please focus the image; we cannot enjoy the movie'.

(verb.) become focussed or come into focus; 'The light focused'.

(verb.) cause to converge on or toward a central point; 'Focus the light on this image'.

亨利錄入--From WordNet

解釋/意思:

(n.) A point in which the rays of light meet, after being reflected or refrcted, and at which the image is formed; as, the focus of a lens or mirror.

(n.) A point so related to a conic section and certain straight line called the directrix that the ratio of the distace between any point of the curve and the focus to the distance of the same point from the directrix is constant.

(n.) A central point; a point of concentration.

(v. t.) To bring to a focus; to focalize; as, to focus a camera.

卡洛斯錄入

同義詞及近義詞:

n. Central point, point of concentration, point of convergence.

整理:罗德尼

同義詞及反義詞:

SYN:Centre, standpoint, rendezvous, convergence, nucleus

ANT:Circle, dispersion, dissipation, divergence, Foe,[See FRIEND]

杰西卡校對

解釋/意思:

n. (opt.) a point in which several rays meet and are collected after being reflected or refracted while a virtual focus is a point from which rays tend after reflection or refraction—the principal focus is the focus of parallel rays after reflection or refraction: any central point:—pl. Fō′cuses Foci (fō′sī).—v.t. to bring to a focus: to concentrate:—pa.p. fō′cussed.—adj. Fō′cal of or belonging to a focus.—v.t. Fō′calise to bring to a focus: to concentrate.—n. Focimeter (fō-sim′e-tėr) an instrument for assisting in focussing an object in or before a photographic camera—usually a lens of small magnifying power.—Focussing cloth a cloth thrown over a photographic camera and the operator's head and shoulders to exclude all light save that coming through the lens.—Conjugate foci two points so situated that if a light be placed at one its rays will be reflected to the other; In focus placed or adjusted so as to secure distinct vision or a sharp definite image.

手打:利

例句/造句/用法:

汉弗莱手打

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