| 释义 |
long-sighted, a.
1. Having ‘long sight’ (see long a. 18); capable of distinguishing objects clearly at a distance but not close at hand; hypermetropic.
c1790J. Imison Sch. Art i. 208 The short-sighted..can distinguish much smaller objects than long-sighted people. 1829Nat. Philos., Optics xvii. 46 (U.K.S.) When the eye loses the power of accommodating itself to near objects, the person is said to be longsighted. 1833N. Arnott Physics (ed. 5) II. 228 After middle age, most persons become more or less long-sighted. 1869H. Ussher in Eng. Mech. 10 Dec. 295/2 He is long-sighted looking forward and short-sighted looking upward.
2. fig. Able to see far ahead; having great foresight; far-seeing.
1791Gibbon Autobiog. (1896) 341 note, The judicious lines in which Pope answers the objection of his long-sighted friend. 1855Grote Greece ii. xcv. XII. 443 Throughout the whole career of Demosthenes..we trace the same combination of earnest patriotism with wise and long-sighted policy. 1901Speaker 3 Nov. 204/2 Such a city would have been distinguished for long-sighted prudence.
Hence longˈsightedness.
1794G. Adams Nat. & Exp. Philos. II. xvii. 295 Long-sightedness may be acquired: for..those that are habituated to look at remote objects, are generally long-sighted. 1832Nat. Philos., Acc. Newt. Opt. i. 3 (U.K.S.) He showed that those defects which are called long-sightedness, and short-sightedness, proceeded from too small or too great a refracting power in the eye. 1864Pusey Lect. Daniel vii. 423 To discern their [events] purport and tendencies from the first, is the province of human long-sightedness. |