第2567期:Biggest ever UK dinosaur footprint site discovered

The dinosaur tracks were first discovered by a worker at the quarry. Scientists have now unearthed 200 huge footprints criss-crossing the limestone floor. They were made by two different types of dinosaurs. Giant long-necked sauropods left one-metre-wide circular prints, while smaller three-toed marks were created by the carnivorous Megalosaurus. 这些恐龙的足迹最初被一名采石场的工人发现。科学家目前已经在石灰岩地面上挖掘出了 200 个重叠交错的巨大脚印。这些脚印来自于两种不同的恐龙。体型巨大的长颈蜥脚类恐龙留下的是直径一米宽的圆形脚印，而另外一种较小的三趾脚印则来自于肉食性的巨齿龙。 Scientists aren't sure how they were preserved but think the footprints were perhaps covered with sediment during a storm. Some tracks extend for 150 metres but could reach even further under parts of the quarry not yet excavated.科学家们不能确定这些脚印是如何被保存下来的，但他们认为这些脚印可能是被一场风暴中的沉积物所掩盖。一些行迹延续了 150 米，但还可能会继续延伸到采石厂中尚未被挖掘的部分。 词汇表tracks 行迹，足迹unearthed 挖掘出criss-crossing 重叠交错的limestone 石灰岩three-toed 三趾的carnivorous 食肉的sediment 沉积物excavated 被挖掘的

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