The standard theory of planet formation holds that no planet that large could be formed so close to a star, leading to the suggestion that the body is a companion star.

行星形成的标准理论认为，没有一颗如此大的行星能在如此靠近恒星的地方形成，因此才有人推测该天体是一颗伴星。

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A common theory for this unusual phenomenon is that the lemmings do not realize that the ocean is such a huge body of water.

对于这种不寻常的现象，一个普遍的理论是，旅鼠没有意识到海洋是如此巨大的一片水域。

youdao

Yes, evolution is a theory, but a theory supported by an enormous body of evidence.

是的，进化论虽是一个理论，可是这个理论已为大量的证据所证实。

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Let's take a few minutes and consider the nature of the body theory, the body theory of personal identity.

我们先来探讨,人格同一性的肉体论的，基本性质。

耶鲁公开课 - 死亡课程节选

But the great question is to keep your mind think about a possibility of the--body theory.

你们应该思考的最重要的问题,是肉体论的可能性。

耶鲁公开课 - 死亡课程节选

He also helped develop a rigorous body of theory and evidence that helps us understand why pleasant political daydreams often create actual social nightmares.

FORBES: Order, Prosperity, and Hard Work: Appreciating James Buchanan (1919-2013)

"A majority of scientists lean toward the theory that it was a collision from a large interplanetary body, " said Professor Valeri Shuvalov of the Russian Institute of Geosphere Dynamics.

CNN: Tunguska

Going over the basics might help things in theory, but the body of work suggests that the Knicks would benefit more from developing a new approach.

WSJ: Knicks Should Consider Plan B