where he can keep it warm. 可以让蛋保持足够的温度

99. or else the egg will freeze.
    否则蛋会冻坏
100. With no bare rock to nest on,
     没有裸岩可以在上面筑巢
101. the male tucks the egg into a special pouch,
     雄企鹅会小心翼翼地把蛋藏在自己的体袋里
102. where he can keep it warm.
     可以让蛋保持足够的温度
103. It requires an extraordinary piece of teamwork.
     交接过程需要双方高度的配合
104. Driven by hunger,
     在饥饿的驱使下
105. the exhausted females now return to the ocean on their own,
     精疲力竭的雌企鹅们独自返回海洋

来自《行星地球 第一季 第六集 Planet Earth S01E06 冰雪世界》第 102 行