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Scientists discover the first-known animal that doesn't need oxygen to survive
科学家发现第一个已知不需要氧气生计的动物
Researchers have discovered the only known animal that does not need oxygen to survive, a common parasite that largely preys on salmon.
研讨人员发现了一种仅有已知的不需要氧气生计的动物，是一种常见的首要以捕食鲑鱼为生的寄生虫。
The study, published Tuesday in the 
journal Proceedings of the National Academy of Sciences, found that the parasite Henneguya salminicola does not require aerobic respiration in order to survive — a revelation that may change how we understand life on Earth and beyond.
这一研讨宣告在周二的《国家科学院学报》期刊上，研讨发现，这种称作鲑居尾孢虫的寄生虫不是需要有氧呼吸才干生计——其启示意义可以改悦耳们关于地球及地球以外的生命的了解。
The multicellular organism, which is part of a group of animals closely related to jellyfish known as the Myxozoa, does not breathe at all and does not have mitochondrial DNA.
多细胞生物体，归于一群与称作粘体动物亚门的水母亲近有关的动物的一有些，它们根柢不呼吸，也没有线粒体DNA。
It's the first multicellular animal found in the wild to not have the DNA, which contains the genes responsible for respiration, and has lost "the ability to perform aerobic cellular respiration," per the study. Some
single-celled organisms do not need respiration to survive.
根据这项研讨，这是初度发现的无DNA，暨没有富含呼吸功用基因的DNA的野生多细胞动物，它现已损失了"进行有氧细胞呼吸的才能"。有些单细胞生物不需要呼吸即可生计。
词汇释义：%20
parasite：寄生虫%20
prey：捕食%20
salmon：鲑鱼%20
proceeding：公报%20
academy：学院%20
Henneguya%20salminicola：
鲑居尾孢虫%20
aerobic：有氧的%20
respiration：呼吸%20
revelation：启示，提示%20
multicellular：多细胞的%20
organism：生物%20
jellyfish：水母%20
Myxozoa：粘体动物亚门%20
mitochondrial：线粒体的%20
DNA(deoxyribonucleic%20acid)：脱氧核糖核酸%20
contain：包括%20
gene：基因%20
per：根据，依照%20
single-celled：单细胞的%20
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