the penguins have to risk their lives. 这些企鹅得冒着生命危险

274. It's the last place on Earth you would choose to live.
     这里是地球上你最不愿居住的地方
275. Unless you're a chinstrap penguin.
     除非你是一只南极帽带企鹅
276. There is plenty of food in these waters, but to exploit it,
     这里的水域食物充足 但若想享用美食
277. the penguins have to risk their lives.
     这些企鹅得冒着生命危险
278. Life here is dangerous in the extreme.
     这里的生活险象环生
279. But there are some benefits from living on a volcano.
     但生活在火山上还是有一些好处的
280. Its warmth melts the snow early in the year.
     火山的热量每年早早地融化了积雪

来自《行星地球 第二季 第一集 Planet Earth S02E01 岛屿》第 277 行