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

50. A very close call...
    好险
51. and not just for one young Diplodocus.
    幼小的梁龙都面临这种危险
52. To boost their chances of survival,
    为了增加生存几率
53. 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
54. ...so they can grow into giant-sized adults.
    以便能够成长为体型庞大的成年恐龙
55. 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
56. the plants themselves were changing...
    植物本身也在改变

来自《我们星球上的生命 第一季 第五集 Life on Our Planet S01E05 巨兽阴影下》第 53 行