Soon they are keen to explore, 不久 它们就开始热衷于探索

297. The male will have to let go.
     雄企鹅还是得放手
298. Eventually, the transfer to the mother is safely made.
     宝宝终于安全地交给了妈妈
299. The chicks grow quickly on a diet of fish and squid.
     小企鹅长得很快,吃小鱼和鱿鱼
300. Soon they are keen to explore,
     不久 它们就开始热衷于探索
301. but always with mother in tow.
     不过妈妈总在旁边照看着
302. This chick is less fortunate,
     这是一只不幸的小企鹅
303. its mother has not returned to claim it.
     它的妈妈没有来认养它

来自《行星地球 第一季 第六集 Planet Earth S01E06 冰雪世界》第 300 行