If their mothers don't make a kill soon, 如果母狮们短时间内捕不到猎物

51. but lions struggle to run it down in water.
    但狮子并不擅长在水中捕猎
52. The pride has three-month-old cubs.
    狮群中有三个月的幼崽
53. They've never seen water before.
    它们以前从未见过水
54. If their mothers don't make a kill soon,
    如果母狮们短时间内捕不到猎物
55. the cubs might not survive the week.
    这些幼崽可能撑不过这周
56. But fuelled by the flood,
    受洪水滋养
57. the eruption of grass attracts new possible prey.
    蓬勃生长的青草吸引来新的猎物

来自《行星地球 第二季 第五集 Planet Earth S02E05 草原》第 54 行