| 单词 | to bring to a focus |
| 释义 | > as lemmasto bring to a focus P1. to bring to a focus and variants: (a) Optics to cause (rays of light, sound waves, etc.) to converge to a single point or place; (b) figurative to draw together (thoughts, ideas, resources, etc.); (also) to make clear or evident.For to bring into focus: see Phrases 2. ΘΚΠ the mind > attention and judgement > attention > earnest attention, concentration > fix the attention, concentrate [verb (transitive)] > implant, fix > at central point concentrate1632 concentricate1647 to bring to a focus1730 focus1807 polarize1868 the world > matter > physics > electromagnetic radiation > light > emission of light, radiation > radiate or transmit light [verb (transitive)] > bring to a focal point condense1787 focalize1827 to bring to a focus1860 focus1870 1730 W. Cheselden Anat. Human Body (ed. 4) App. ii. 348 By which the rays cannot be brought into a Focus upon the Retina. 1750 C. Fleming Devout Laugh 5 Your sight would have been corrected by church optics, a reconciling medium of vision, that brings into one focus, and an indissoluble union, the world and the church. a1790 B. Franklin Autobiogr. (1981) iii. 94 The bringing all these scatter'd Counsels thus into a Focus. 1837 E. Bulwer-Lytton Athens II. v. ii. 471 Athens..drew into a focus all the Grecian intellect. 1860 J. Tyndall Glaciers of Alps ii. xxiv. 354 The place where the rays were brought to a focus behind the lens. 1875 W. S. Jevons Money (1878) 252 The transactions of many different individuals..are brought to a focus. 1904 F. Rolfe Hadrian VII 34 He brought the argument to a focus with these words, ‘George Arthur Rose, I summon you to offer yourself to me.’ 1957 A. Efron Basic Physics I. xi. 149/1 A lens-shaped balloon filled with carbon dioxide will transmit and concentrate a beam of sound, bringing it to a focus. 1977 Harper's Mag. Dec. 42/2 The whole pulsing life of the nation is brought to a focus. 2002 R. Villard Large Telescopes 12 The first telescopes used glass lenses..to bend faint starlight and to bring it to a focus, where all the light beams come together. < as lemmas |
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