It's imperative they reform as quickly as possible, 它们必须尽最大的努力重新组成队列

114. as each penguin works its way towards the warmer interior.
     每只企鹅都要变换位置以进入更温暖的内部
115. Crammed into this scrum, the birds are remarkably good-natured. But they have to be.
     这些企鹅性情特别温和 这是环境使然
116. If the huddle breaks, even for a moment, precious heat escapes.
     如果包围圈散了,哪怕就一小会儿 宝贵的热气也会消散
117. It's imperative they reform as quickly as possible,
     它们必须尽最大的努力重新组成队列
118. for only by acting as one
     因为只有团结成一体
119. can the males withstand the elements and protect their eggs.
     雄企鹅才能抵挡严酷的自然力量 才能保护好它们的蛋
120. But their greatest test lies ahead.
     但是最大的考验还在前头

来自《行星地球 第一季 第六集 Planet Earth S01E06 冰雪世界》第 117 行