冰封千年的生物又复活？
A microscopic animal has been revived after slumbering in the Arctic permafrost for 24,000 years.
近日，一只微生动物在北极冻土带封存了24000年之后重新复苏了。
Bdelloid rotifers typically live in watery environments and have an incredible ability to survive.
蛭形轮虫通常生活在有水的环境中，具有令人难以置信的生存能力。
Russian scientists found the creatures in a core of frozen soil extracted from the Siberian permafrost using a drilling rig.
俄罗斯科学家是用钻机从西伯利亚永久冻土层中挖出的冻土核心中发现这些生物的。
"Our report is the hardest proof as of today that multicellular animals could withstand tens of thousands of years in cryptobiosis, the state of almost completely arrested metabolism," said Stas Malavin, a researcher at the Soil Cryology Laboratory at the Pushchino Scientific Center for Biological Research in Russia.
俄罗斯普什奇诺生物研究科学中心土壤冷冻实验室的研究员斯塔斯·马拉文说:“我们的报告是迄今为止最有力的证据，证明多细胞动物可以在隐生状态下存活数万年，新陈代谢几乎完全停止。”
Earlier research by other groups had shown that the rotifers could survive up to 10 years when frozen.
其他研究小组的早期研究表明，轮虫在冰冻状态下可以存活10年。
In a new study, the Russian researchers used radiocarbon dating to determine that the critters they recovered from the permafrost -- ground that is frozen year-round, apart from a thin layer near the surface -- were about 24,000 years old.
在一项新的研究中，俄罗斯研究人员使用放射性碳测年法确定，他们从永久冻土层中找到的生物大约有2.4万年的历史。永久冻土层是除了靠近地表的一层薄薄的冻土之外，其余部分全年都是冰冻的。
The study was published in the journal Current Biology on Monday.
这项研究于周一发表在了《当代生物学》杂志上。
It's not the first time ancient life has been resurrected from a permanently frozen habitat.
不过，这并不是古代生命第一次从永久冰冻的栖息地中复活了。
Stems of Antarctic moss were successfully regrown from a 1,000-year-old sample that had been covered by ice for about 400 years, and a living campion flower was regenerated from seed tissue, likely stored by an Arctic squirrel, that had been preserved in 32,000-year-old permafrost.
南极苔藓的茎成功地从一个被冰覆盖了大约400年的1000年的样本中再生出来，另外，有一个活的剪秋萝花从种子组织中再生出来，这可能是保存在32000年的永久冻土层中的一只北极松鼠储存的。
Simple worms, called nematodes, were revived from the permafrost from two places in northeastern Siberia, in sediments that were more than 30,000 years old.
之前在西伯利亚东北部两个地方的永久冻土层中，一种被称为线虫的简单蠕虫在3万多年前的沉积物中复活。
Long-dead but well-preserved mammals, including extinct cave bears and mammoths, have also been unearthed from the permafrost, which is thawing in some places as a result of the climate crisis.
多年死亡但保存完好的哺乳动物，包括已经灭绝的洞熊和猛犸象，也从永久冻土中被发掘出来，由于气候危机，一些地方的永久冻土正在融化。
Malavin said that it is highly unlikely bigger life forms could survive being frozen in this way.
马拉文说，更大的生命形式几乎不可能在这样的冰冻状态下存活。
"The takeaway is that a multicellular organism can be frozen and stored as such for thousands of years and then return back to life -- a dream of many fiction writers," Malavin said in the statement.
马拉文在声明中说:“神奇之处在于多细胞生物可以被冷冻和储存数千年，然后恢复生命——这是许多小说作家的梦想。”
问题
文中提到冰封千万年然后复活的是什么生物？
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