Unfortunately, frogs the world over are suffering a mass extinction. Perhaps something in the newly cracked genetic code can help save them before they croak.
不幸的是,世界各地的青蛙都在遭受灭绝的厄运,或许通过此次破译基因密码,我们能赶在它们灭绝之前做点什么,挽救这种稀有生物。
It permanently removes precious genetic material from the wild and promotes extinction. It is an assault upon nature.
将永久性从自然界中移走宝贵的基因库且促使其消失。这是对自然的攻击。
WASHINGTON - Human beings may have had a brush with extinction 70,000 years ago, an extensive genetic study suggests.
华盛顿今天传来消息说,据最近的一项基因研究表明,七万年前人类曾差点绝种。
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