There are only a few hundred pygmy sloths in existence. 这座岛上只有几百只雌性侏三指树懒
so their entire existence will be spent on the move. 所以它们终生都在奔波
may grow at speed but their existence can also be short, 生长速度虽然很快,不过存在的时间也可能很短
For the adult males it's a welcome break in an otherwise largely solitary existence 对成年雄象来说 这是摆脱孤独的大好时机
For months they've been scattered over huge areas, clinging to existence around tiny water holes. 这些动物曾接连数月 守着零落四方的小水坑 过着艰难的生活