Humpback whales. 座头鲸！

55. Its long arm extends further north than the rest of the continent, so spring arrives here first.
    这里与南极洲的其它地方相比更靠近北边, 所以春天先来到这里
56. The thaw unlocks sheltered bays that provide refuge from the relentless battering of the Southern 0cean.
    解冻后出现一些风平浪静的海湾 可以躲避南极洋无情的风浪
57. In the depths, something stirs.
    水里有动静
58. Humpback whales.
    座头鲸！
59. They have travelled over 5,000 miles to reach these waters.
    它们经过5000英里的漫长旅程终于来到了这片水域
60. The whales are harvesting krill,
    这些鲸现在正美美地享受着磷虾大餐
61. shrimp-like creatures that begin to swarm here as soon as the ice retreats.
    冰层一融化各种各样的虾就会聚集在这里

来自《行星地球 第一季 第六集 Planet Earth S01E06 冰雪世界》第 58 行