小象出生后，动物园的象群扩大到了6只。
这些模拟的猛犸象群在几十年间便灭绝了。
那是因为大型生物的繁殖速度十分缓慢，所以只要除去象群中的几头年轻的母象，它们的数量就会大幅的下降。
That's because very large animals have a slow rate of reproduction, so all you have to do is remove a few young females from the herd, and you can, fairly quickly, significantly reduce the population.
特别在中非，象群正遭到严重打击。
The herds of central Africa are being particularly hard hit.
这位摄影师拍了一张象群的照片。
而结果，这些象群成了今天的矮象。
愤怒的象群向那些人冲过去。
象群横冲直撞地穿过森林。
它是不是折返回去，偷偷摸摸穿过象群跑了？
象群，向巴西进发！
现在，很多猎杀过大象的农民已经投入到象群保护工作之中。
Today, farmers who once hunted elephants now work for their preservation.
随着雨林不断缩小，饥饿的象群闯入农田觅食，毁坏了庄稼。
With rain forests shrinking, hungry elephants foraged farmland, destroying crops.
不过日子一天一天过去，我们证明了自己不仅关注象群，还关注人类。
But day by day we proved that we were concerned not only with elephants, but also with human beings.
你是一群猎人中的成员，正在采取团队作战术悄悄地盯梢着一群猛犸象群。
You're working in a team of hunters quietly stalking a herd of mammoths.
如果象群中有一头滑跤而倒下，那它完了，它倒向一侧，被自己的重量给压扁。
If one of the herd slips and falls, it is helpless. It lies on its side, a prisoner of its own weight.
最新的一些报告指出，随着中国对象牙需求的增长，森林象群的数量也在不断减少。
The latest reports suggest that the forest elephant population is collapsing on the back of rising Chinese demand for ivory.
当你凝视夜空星斗，你都能看到不闭眼的象群，酣眠时睁开一只眼睛，好好的照看我们。
When you gaze up at the stars at night, you are looking into the unblinking eyes of elephants, who sleep with one eye open, to best keep watch over us.
在2002年该类货物出口原则上获得同意，只要这些国家申报的象群偷猎数与总数持平。
The exports had been agreed on in principle in 2002, as long as these countries gave data on elephant poaching and population levels.
住友一位退休职员回忆起，五十年代他们为了开采矿区，曾带领象群艰难地穿越缅甸森林。
A retired Sumitomo man recalls an arduous elephant ride through the Burmese jungle in the 1950s to explore a mining site.
之后，他们就加入全是雄性的象群，想必就是在这个时候他们从成年雄象那里学习生存之道。
They then join all-male groups, and presumably learn from mature males the recipe for a successful life.
这些观点都很都很重要，为了对兰斯堡的象群做出正确的诊断，需要我们更深入了解他们的种群。
These are important claims, and in order to assess them properly we need to know more about Pilanesberg's elephant population.
这些观点都很都很重要，为了对兰斯堡的象群做出正确的诊断，需要我们更深入了解他们的种群。
These are important claims, and in order to assess them properly we need to know more about Pilanesberg's elephant population.
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