have been coming here for several thousand years. 来到这里已经几千年了
as they have done for at least 1,000 years. 一千年以来一直如此
If sea levels rise as predicted, within the next 30 years, 如果海平面如预测般持续上升 那么30年内
Some years, no chicks survive in this colony. 有几年中 没有一只雏鸟幸存
But 40 years ago, commercial whaling was banned. 但40年前 商业捕鲸被禁止
These are the first to be seen on these shores for 40 years. 这对姐妹是40年来首次被发现来到这片海岸的狮子
Following years of persecution, Namibia's lions are now protected... 经受了多年的残害后 纳米比亚的狮子现在受到保护