The internal structure of the atom was the rock upon which the glorious ship of classical theory was doomed to be wrecked. 原子的內部結構是註定要把經典理論這條光榮航船撞碎的礁石。
By comparison, relatively little is known about the internal structure of the earth. 相形之下，對於地球內部結構則了解得較少。
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