这些尖刺是由树獭兽的防御性刺状毛发特别演化而来。
These spines have been specifically evolved from the defensive urticating hairs of the slothien.
我们还看到一只树獭花了半个小时，从一树叉上爬到另一枝上。
We also watched a sloth take about a half hour to move from one branch to the other.
这些尖刺是由树獭兽的防御性刺状毛发特别演化而来，适应新的目的。
These spines have been specifically evolved from the defensive urticating hairs of the slothien and adapted to a new purpose.
事实上，树獭每分钟只移动二到三公尺，这让牠们成为世界上最迟缓的动物。
In fact, sloths only move two to three meters per minute, which makes them the slowest mammals in the world.
本片最有趣的情节是讲述被家人遗下的树獭森仔，牠结识了富同情心的长毛象文辉，牠俩一同上路。
Sid has been left behind by his family but cheers up when he sees a mammoth coming his way.
这个国家中互不相同的地区；像鲍勃·霍普和鲍勃·戴蓝一样差别很大的名人；像美洲豹、天竺鼠和树獭一样差别很大的动物。
Diverse parts of the country; celebrities as diverse as Bob hope and Bob dylan; animals as various as the jaguar and the cavy and the sloth.
树獭的肌肉一样也很懒散，以至于哪怕在最短的距离内，它的移动时速也超不过一公里，它最快的动作就数挥动它那钩状手臂了。
Its muscles are such that it is quits incapable of moving at a speed of over a kilometer an hour even over a shortest distances and the swiftest movements it can make is a sweep of its hooked arm.
树獭的肌肉一样也很懒散，以至于哪怕在最短的距离内，它的移动时速也超不过一公里，它最快的动作就数挥动它那钩状手臂了。
Its muscles are such that it is quits incapable of moving at a speed of over a kilometer an hour even over a shortest distances and the swiftest movements it can make is a sweep of its hooked arm.
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