and storms can erupt without warning. 暴风雪会在毫无征兆的情况下来袭

73. At the southern end stand the mountains of Patagonia.
    最南端矗立着巴塔哥尼亚山脉
74. It's high summer,
    现在是盛夏时节
75. but the Andes have the most unstable mountain weather on the planet
    可是安第斯山的天气 是全球山区气候中最不稳定的
76. and storms can erupt without warning.
    暴风雪会在毫无征兆的情况下来袭
77. Temperatures plummet
    气温直线下降
78. and guanacos and their newborn young must suddenly endure a blizzard.
    羊驼和它们新生的幼仔 只好忍受突如其来的风雪
79. Truly, all seasons in one day...
    可以说是在一天之中度过了四季

来自《行星地球 第一季 第二集 Planet Earth S01E02 山地》第 76 行