and it's now that the seals start to breed. 也是海豹的繁殖季节
Whole populations of animals are now forced to travel great distances in pursuit of food and warmth. 动物们成群结队踏上 寻找食物和温暖的长途旅程
so now animals can collect their share of the energy that has come from the sun. 因此动物们也能获得 太阳馈赠给它们的那部分能量
and now it's easier to target an individual. 狼群便更容易锁定单个目标
Now the mother can start hunting for the seals they must have, 现在母熊将猎杀海豹 获取紧需的食物
But even now blizzards can strike without warning. 但即使是现在 暴风雪 仍会在毫无征兆的情况下来袭
For now though it's still minus thirty degrees 而现在的气温仍然有-30℃
Now she converts the last of her fat reserves into milk for her cubs. 现在它将仅剩的一点脂肪 变成乳汁喂养它的宝贝们
Now she lures them with the promise of milk, 现在该是履行承诺的时候了 乳汁是巨大的诱惑
Now, over six billion crowd our fragile planet. 如今 已有超过60亿人拥挤在 我们这颗脆弱的星球上