Although the distant planet did not have an oxygenated atmosphere, scientists could not rule out the possible existence of anaerobic life forms.

尽管这颗遥远的星球并不存在有氧环境，但是科学家也不能排除厌氧生命体存在的可能。

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The possible existence of andesites on Mars is intriguing.

火星上可能有安山岩存在，这很值得玩味。

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The possible existence of the narrow width structures in the Antinucleon-Nucleussystem is discussed qualitatively by using complex shell model theory.

用复平均场和复剩余相互作用的壳模型理论，定性地讨论了反核子与原子核相互作用体系出现窄宽度结构的可能性。

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When I talked about arguments for the existence of a soul, I said, "Look, here's one possible argument.

当我谈论证明灵魂,存在的论证时,我说过,"这里有个可能的论证

耶鲁公开课 - 死亡课程节选

In other words, his point is that good is only possible because of the prior existence of bad.

换句话说，他的论点是,善存在的可能,仅在恶的事先存在。

耶鲁公开课 - 政治哲学导论课程节选

The existence of a soul would be the beginnings of a possible explanation.

灵魂的存在将成为,一种可能的解释的开端

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And one specifically on the very kidney market that Sandel decries the possible existence of.

FORBES: If Michael Sandel Wants To Change How Economics Is Taught, Shouldn't He Know How Economics Is Taught?

The key issue here is that Aldo twice issued an alert for the possible existence of drugs.

FORBES: Supreme Court Says K-9 Dog's Sniff Was Up To Snuff

The simplest form - that which fits neatly into the existing Standard Model of particle physics - would surely shore up the theory, but the possible existence of more "exotic" versions of the particle would open exciting new vistas in science.

BBC: LHC cements Higgs boson identification