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Listen to part of a talk in a class on the history of science. In ancient times, many people believed …听不懂....disk (the earth was a flat disc.) one or two thousands years ago,(Well over 2,000 years ago), the ………..to …………wai………..proving it was not. (the ancient Greek philosophers were able to put forward two good arguments proving that it was not.) Direct observation ….. (of heavenly) bodies with(was) the bases(basis) of both each(these) arguments. First, the glance…..dream creapsis on the moon(Greeks knew that during eclipses of the moon), the earthquake(arth) was(漏了) between …..听不出…. (the sun and) the moon, and you (they) saw that d…..c…ripis….(during these eclipses), the old(earth's) shadow on the moon was always around(round), they realized it can(that this could) be true only a feel who is firocal…( if the earth was spherical). Earth theater plansant disk(If the earth were a flat disc), then each(its) shadow doing(during) a cripsis… (eclipses) would not be a perfect circle, it would be stretched out into a long elips (ellipse). The second argument was based on one of gtic saw dreams (what the Greeks saw during) their(漏了) travels. They know the motostar… (noticed that the North Star), or plairs(Polaris), appeared no one (lower) in the sky in the trouble itself.(when they traveled south), in(漏了) more noisily(northerly) regions, they know each other purity (the North Star appeared to them) to be much higher in the sky. By the way, it was also found it (from this) difference in the apparent position of a not start(the North Star) the(that) the digrees(Greeks) first conculated(calculated) the approixed(approximate) distance around of count…the earth.(the circumference of the earth), a figutred(figure) recorded nation(in ancient) documents says 400,000 stadim(stadia), that's the poor(plural) of the words(word) steadim(stadium). Today is not that exatly(Today, it's not known exactly) what link(length) want(one) steadium(stadium) represents, but let's say with(it was) about 200 meters, ……听不懂…….(the length of many athletic stadiums). …………(This would make the Greek's estimate) about twice the(漏了) figure except(accepted) today, a very good estimate for those writing so long before even the first talerscore… goe..vent…it. (fast telescope was invented.)
真TMD惨,第二次,整句话的听不懂,慢慢来吧。。。
这篇感觉有点专业性 |