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Back in Antarctica,
回到南極洲
the emperor penguins' trek to their breeding grounds is well under way.
帝企鵝們正長途跋涉前往繁殖地
It's a long slog and the frozen sea ice presents all kinds of challenges.
這是個漫長的旅程，凍結的海水給它們帶來了各種挑戰
But the occasional slip-up is the least of their worries.
偶爾滑倒只是最微不足道的問題
A small crack has appeared.
出現了一道小裂縫
It's enough to stop the whole march in its tracks.
它足以阻止帝企鵝們前進
Cracks form as the sea beneath the ice rises and falls.
裂縫是由冰層下海水的起伏所造成的
He's nervous, but the march must go on.
它很緊張，但隊伍必須繼續前進
The rest try their luck with varying degrees of success.
其余企鵝也紛紛嘗試，效果各有不同
They have reason to be frightened -
它們害怕是有原因的
leopard seals patrol these tide-cracks, looking for struggling penguins.
海豹會巡視這些冰縫，尋找苦苦掙扎的企鵝
As more pile in, they pulverise the ice, making it even harder to escape.
企鵝們一擁而上，弄碎了冰塊，這使得它們更難逃離冰縫
But they possess a useful tool -
但它們有一樣重要工具
an ice pick that gets them out of trouble.
如冰鑿般的嘴能幫助它們走出困境
On the Falklands, RockhopperCam returns to duty as the penguins begin their second assault on the shore.
弗蘭克群島上，跳巖企鵝攝像機準備要在企鵝第二次突擊登岸時開始拍攝
The weather still isn't helping.
天氣依然很糟糕
But they remember an old tactic - face danger head on!
但它們記得一個古老的戰術，不畏艱險，迎難而上
This stream lays the impact and keeps their feet firmly on the ground.
水流起到了緩沖作用，使它們能穩固地站在地上
They've passed the first hurdle,
它們跨過了第一道障礙
but their challenges are far from over.
但挑戰還遠遠沒有結束
Rockhoppers build their nests as far from the waves as possible,
跳巖企鵝會在盡量遠離海浪的地方筑巢
at the top of a cliff that's a hundred metres high!
例如高達一百米的懸崖頂部
It's a tough climb - but they aren't called rockhoppers for nothing.
要爬上去極不容易，但跳巖企鵝并不是徒有虛名
