either the caribou will make a mistake 一是驯鹿自己犯下错误

89. The calf is young,
    小鹿虽然很小
90. but it can outrun the wolf if only it manages to keep its footing.
    但如果全速奔跑起来 它仍可以比狼跑得更快
91. At this stage the odds are even -
    这种情况下一般有两种可能
92. either the caribou will make a mistake
    一是驯鹿自己犯下错误
93. or after a mile the wolf will give up.
    否则就是狼追出1英里之后选择放弃
94. Midsummer on the tundra
    现在是苔原的仲夏时节
95. and the sun does not set.
    不会出现日落

来自《行星地球 第一季 第一集 Planet Earth S01E01 从北极到南极》第 92 行