历年考研英语翻译mp3(1998)（在线收听） |
| [00:03.38]1998 [00:06.71]They were, by far, [00:07.93]the largest and most distant objects [00:10.14]that scientists had ever detected: [00:12.36]a strip of enormous cosmic clouds [00:14.67]some 15 billion light-years from earth. [00:17.40](1)<But even more important, [00:18.81]it was the farthest that scientists [00:20.83]had been able to look into the past, [00:23.26]for what they were seeing were the patterns [00:25.28]and structures that existed 15 billion years ago.> [00:29.61]That was just about the moment [00:31.11]that the universe was born. [00:33.23]What the researchers found [00:34.75]was at once both amazing and expected: [00:37.47]the US National Aeronautics [00:39.28]and Space Administration's Cosmic Background Explorer satellite [00:43.33]--Cobe--had discovered landmark evidence [00:46.26]that the universe did in fact begin with the primeval explosion [00:50.20]that has become known as the Big Bang [00:52.59](the theory that the universe originated [00:54.71]in an explosion from a single mass of energy). [00:58.04](2)<The existence of the giant clouds [01:00.06]was virtually required for the Big Bang, [01:03.32]first put forward in the 1920s, [01:05.43]to maintain its reign as the dominant explanation [01:08.36]of the cosmos.> [01:09.86]According to the theory, [01:11.49]the universe burst into being as a submicroscopic, [01:14.83]unimaginably dense knot of pure energy [01:18.16]that flew outward in all directions, [01:20.57]emitting radiation as it went, [01:22.79]condensing into particles and then into atoms of gas. [01:26.42]Over billions of years, [01:28.44]the gas was compressed by gravity into galaxies, [01:32.17]stars, plants and eventually, even humans. [01:36.50]Cobe is designed to see just the biggest structures, [01:40.23]but astronomers would like to see [01:42.04]much smaller hot spots as well, [01:44.16]the seeds of local objects like clusters [01:46.28]and superclusters of galaxies. [01:49.01]They shouldn't have long to wait. [01:51.11](3)<Astrophysicists working [01:53.03]with ground based detectors at the South Pole [01:55.76]and balloon-borne instruments [01:57.57]are closing in on such structures, [01:59.71]and may report their findings soon.> [02:01.35]在线英语听力室(www.tingroom.com)友情制作 [02:01.86](4)<If the small hot spots look as expected, [02:04.48]that will be a triumph for yet another scientific idea, [02:08.20]a refinement of the Big Bang [02:10.12]called the inflationary universe theory.> [02:12.84]Inflation says that very early on, [02:15.37]the universe expanded in size [02:17.20]by more than a trillion trillion trillion trillionfold [02:20.58]in much less than a second, [02:23.17]propelled by a sort of antigravity. [02:26.11](5)<Odd though it sounds, [02:27.52]cosmic inflation is a scientifically plausible consequence [02:31.65]of some respected ideas in elementary particle physics, [02:35.38]and many astrophysicists have been convinced [02:38.21]for the better part of a decade that it is true.> |
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