Meteorologists say it is impossible to explain fully how these things happen.

气象学家表示不可能完全解释清楚为什么会发生这些情况。

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However, plate tectonics cannot fully explain certain massive surface features, such as the "superswell" of southern Africa, a vast plateau over 1,000 miles across and nearly a mile high.

然而，板块构造不能完全解释某些巨大的地表特征，例如非洲南部的“superswell”，即一个直径超过1000英里、高度接近1英里的巨大高原。

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However, urbanization cannot fully explain women's suffrage.

然而，城市化并不能完全赋予妇女投票权。

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One explanation could be that women who breastfeed may lead healthier lifestyles than women who don't, but we don't know the mechanisms that would explain this fully, and not enough work has been done in this area.

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Nobody can explain it fully.

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The most recent decision by the Court does not fully explain it either.

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