- and not just for one young Diplodocus.
幼小的梁龙都面临这种危险 - To boost their chances of survival,
为了增加生存几率 - these youngsters must eat as much as they can as fast as possible...
这些幼龙必须 尽可能能快地吃下尽可能多的食物 - ...so they can grow into giant-sized adults.
以便能够成长为体型庞大的成年恐龙 - But just as these huge dinosaurs were devouring the plants around them,
但就在这些巨大的恐龙 吞食周围的植物时 - the plants themselves were changing...
植物本身也在改变 - ...in ways that would revolutionize life on Earth.
这样的改变将为地球上的生物 带来革命性的变化
...so they can grow into giant-sized adults. 以便能够成长为体型庞大的成年恐龙
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