[00:00:01]Every summer, over 40 million penguins 每年夏天 超过四千万只企鹅 [00:04:05]take to the Southern Ocean to feed. 涌入南冰洋觅食 [00:12:17]They're joined by thousands of whales. 随之一起的还有数千头鲸鱼 [00:15:12]Minkes are the most numerous. 绝大部分是小须鲸 [00:17:09]They all come here to harvest the richest ocean on Earth. 它们来到这地球上最丰饶的海洋 [00:28:55]Southern humpbacks 南方的座头鲸 [00:29:05]have travelled 4,000 miles from the equator 从赤道出发 长途跋涉四千英里 [00:38:00]to get here in time for the Antarctic summer. 以赶上南极的夏天 [00:46:21]Each year, the sea ice that surrounds Antarctica melts, 每年 环绕南极的海冰融化时 [00:49:51]effectively halving the size of the continent 大洲的面积将会减半 [00:52:44]and exposing rich waters around its coastline. 沿海岸线的丰饶海水重见天日 [00:59:06]It's the most spectacular seasonal change 这是我们地球上 [01:01:30]occurring anywhere on our planet. 最壮观的季节转换 [01:08:00]The remnants of the sea ice are occupied by sunbathing seals 沐浴着阳光的海豹慵懒地躺在浮冰上 [01:12:08]that have been here all winter. 整个冬季它们都在这 [01:17:17]But new arrivals are following the retreating ice edge. 但随着冰雪融去 有新客到访 [01:20:20]And they have come here to hunt. 它们来此捕食

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