最新研究让一种生活于恐龙时代以前的有牙齿的水生动物再现于我们的眼前，据科学家说，这种生物的吞食方式就像电影《异形》里的生物一样。
New research is shedding light on toothy Marine animals that lived before dinosaurs and, according to scientists, ate like the creature did in the movie "Alien."
(古生)板足鲎目的：一种巨大的、有节的，属于板足鲎目的水生节肢动物，生存于奥陶纪到二叠纪时期。
Eurypterid: any of various large segmented aquatic arthropods of the order eurypterida that existed from the ordovician period to the Permian period.
美国男子琼斯，在没有保护装备情况下于尼加拉瓜瀑布跳水生还后说道。
Jones, a US citizen who survived a plunge over Niagara Falls without a safety device, said of his plunge.
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