英国的一项报告表明该国大多数濒临灭绝的野生物种，从红松鼠到当地小龙虾，正在以惊人的速度消失。
Some of Britain's most endangered wildlife, from red squirrels to native crayfish, are vanishing from the countryside at an alarming rate, a report warns.
英国的一项报告表明该国大多数濒临灭绝的野生物种——从红松鼠到当地小龙虾——正在以惊人的速度消失。
Some of Britain's most endangered wildlife - from red squirrels to native crayfish - are vanishing from the countryside at an alarming rate, a report warns.
在1990年的大会上国家代表们赞成要在2010年之前减少生物灭绝的速度，但是我们没有达成目标。
The countries party to the Convention agreed in 1990 to slow the rate of biodiversity loss by 2010.
生物界有一个共识，那就是没有天敌的动物多半会灭绝，而敌人越强大，其进化速度则越快，适应能力也更强。
Biological community there is a consensus, that is no predators animals are mostly extinct, and the enemy is more powerful, the evolutionary speed is faster, stronger ability to adapt.
但是加拿大野生生物状况研究委员会发现，如果按照现在的速度继续伐木，这种带大理石条纹的小海鸭可能在几十年的时间内灭绝。
But the committee on the status of wildlife in Canada found that if logging continued at the current rate the marbled murrelet could be extinct in "a matter of decades."
地球出现生命以来，生物物种数量动态增长，但随着人类活动的出现，生物物种灭绝速度逐渐加快。
Since life appeared on earth, biological species grew dynamically. However, the speed of species extinction is gradually accelerating as human being came to dominance.
地球出现生命以来，生物物种数量动态增长，但随着人类活动的出现，生物物种灭绝速度逐渐加快。
Since life appeared on earth, biological species grew dynamically. However, the speed of species extinction is gradually accelerating as human being came to dominance.
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