BBC新闻100篇 News Item 65-英语听力

[00:00.00]Scientists say they can now definitively back, the long held theory [00:04.44]that a huge asteroid striking the earth some 65 million years ago
约6500万年前，一颗巨大的小行星撞击地球 [00:08.41]was responsible for wiping out the dinosaurs
这是造成恐龙 [00:10.90]and more than half of all animal species on the planet.
以及超过地球一半以上物种灭绝的原因。 [00:13.54]The scientists finally discounted an alternative theory
科学家们最终否认了另一种理论 [00:16.90]that volcanic eruptions caused the dinosaur's demise.
那就是火山爆发造成了恐龙的灭亡。 [00:20.01]Our science correspondent Pallab Ghosh reports.
我们的科学记者帕拉博●格什报道到。 [00:22.85]The popular conception is that dinosaur's reign supreme
流行的观点是，恐龙一直以来都是最高统治者 [00:27.12]until they were suddenly eradicated from the face of the planet.
直到他们突然从这颗星球表面消失。 [00:31.25]The theory goes that a giant asteroid crashed into the earth,
这个理论认为一颗巨大的小行星撞上了地球， [00:34.86]wiping out half of all life on earth.
消灭了地球上一半的生命。 [00:37.61]Some scientists though say that there is evidence that dinosaur survived the asteroid impact
然而一些科学家提出，有证据表明恐龙从小行星撞击中幸存下来 [00:42.65]and became extinct some 300,000 years later.
且30万年后才灭绝。 [00:46.01]But a new analysis of all the available research
但对现有可用研究的新分析 [00:48.80]has backed the view that it was a giant asteroid that wiped out the dinosaurs.
支持那个巨大小行星的撞击导致恐龙灭绝的观点。