纪录片《冰冻星球》 第21期 极地之春(4)(在线收听) |
And now the most voracious of the plankton-eaters 现在 最为贪吃的浮游生物捕食者 swim up from the depths... 从深海游了上来 ...Arctic cod. 那就是北极鳕鱼 The shoals can be enormous, some containing 500 million fish, 鱼群十分庞大 有些由五亿条鱼组成 and predators travel hundreds of miles 而捕食者们远涉几百英里 to feast on them. 赶来享受鳕鱼的美味 The cod harvest is the annual event 鳕鱼盛宴是北极鸟类 for the birds and seals of the far North. 和海豹的年度盛事 For just a short period, 在很短的时间内 the combination of the strengthening sun, 更加强烈的阳光 the newly-flowing rivers 重新开始流动的河流 and the breaking sea ice make the Arctic Ocean teem with life. 和破裂的海冰使得北冰洋生机盎然 The land is also transformed by the sun's heat. 陆地也随着太阳的热度而改观 The small patches of bare ground 逐渐显现的小块裸露地表 that appear are darker than the snow 比雪的颜色要深 so they absorb more of the sun's energy. 所以它们会吸收更多太阳能 This accelerates the melt. 从而加速了冰雪融化 |
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