Some chimpanzees, for example, are known to bang nuts on stones, in order to break the shell and get at the edible kernel inside.

例如，人们知道有些黑猩猩会把坚果砸到石头上，以便敲开坚果壳，吃到里面的的果仁。

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For example, "Big Bang" and "black hole" often will co-occur, but not as often as each does with "galaxy".

例如，“大爆炸”和“黑洞”经常同时出现，但并不如二者分别与“银河系”搭配时出现的频率高。

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This is sometimes called "retrodiction. " For example, the Big Bang theory makes very precise predictions about the primordial abundances of hydrogen, helium, and deuterium.

这有时被称为“追溯”。例如，大爆炸理论对原始时期氢气，氦气和氘的大量存在做出了非常精确的预测。

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This is sometimes called "retrodiction. " For example, the Big Bang theory makes very precise predictions about the primordial abundances of hydrogen, helium, and deuterium.

这有时被称为“追溯”。例如，大爆炸理论对原始时期氢气，氦气和氘的大量存在做出了非常精确的预测。

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