Most of the time, the rational part of the mind controls the information coming from the primitive core and makes its own decisions as to what to do and how to respond.

大多数时候，大脑中的理性部分会控制来自原始内核的信息，并自行决定做什么、如何回应。

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During critical situations, especially when a threat is perceived, the outer core loses control and fails to regulate the impulses and instinctual responses coming from the primitive brain.

在危急情况下，特别是在察觉到威胁时，外核会失去控制，无法调节来自原始内核的冲动和本能反应。

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But a few grains have survived from the primitive nebula that the solar system condensed from.

但是一些颗粒是来自于凝成太阳系的原始星云。

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I'm child of the Columbia Space Shuttle, and I need to know all the electronic gimmicks invented yesterday that are already primitive cousins to those developed today from eight to five P.M.in Japan.

VOA: special.2009.04.27

Two reproduced paintings, in particular, stand out at the Field and demonstrate the far-from-primitive eye of the artists.

WSJ: Prehistoric but Far From Primitive | Cave Paintings of Lascaux | Field Museum | By Mark Yost

According to Dr Smit, the multiple layers were the result of waves from the impact sloshing around in the primitive Gulf of Mexico and passing over individual sites several times.

ECONOMIST: Some new ideas about why life on Earth has periodic crises

Which is why a week like the one just past is such a sobering reminder that we are always just an unanticipated disaster away from a trip into the primitive America that existed before.

CNN: Heat wave lesson: We take comfort for granted