The rate of species extinction is accelerating to dangerous levels.
物种灭绝的速度不断加快，已经敲响了警钟。
On the other hand, humanity's malignant effect on the environment has accelerated the rate of extinction for plants and animals, which now reaches perhaps 50,000 species a year.
从另一方面说，人类对环境的恶意影响加速了动植物的灭绝，现在每年大概有多达50,000种物种从地球上消失。
Current extinction rate projections may be overestimating the role of habitat loss on species, a study suggest.
一项研究显示，现有物种灭绝速率预测可能高估了栖息地缺失对物种的影响。
Our global society has started to destroy species of other organisms at an accelerating rate, initiating a mass extinction episode unparalleled for 65 million years.
我们人类社会已经开始在加速毁灭其他生物物种，并由此开启了一个6500万年以来最大规模的物种灭绝。
One mammal in4, one bird in8, one amphibian in 3 are threatened with extinction. species are dying out at a rhythm 1,000 times faster than the natural rate.
每四只哺乳动物、八只雀鸟、两只两栖动物就有一只濒临绝种，生物品种的死亡率比正常速度快了一千倍。
One mammal in4, one bird in8, one amphibian in 3 are threatened with extinction. species are dying out at a rhythm 1,000 times faster than the natural rate.
每四只哺乳动物、八只雀鸟、两只两栖动物就有一只濒临绝种，生物品种的死亡率比正常速度快了一千倍。
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