n.遗忘；忘却
Many ancient cities are buried in oblivion. 许多古城都已被遗忘了。
They gain a long tenure in office at the price of final oblivion. 他们为了长期执政，得付出最终被遗忘的代价。
Only his unexpected resignation had saved him from oblivion. 而也正因为他的突然辞职，才使他没有被人忘却。
