You can hold this word as one movement: something is there, and then it is taken all the way down to nothing. Not dented, not broken - zero. Everything on this page is that drop to zero, done in a different place: to a real city, to a team's chances, or to a particle in a laboratory.
annihilate 可以想成一個動作：本來有東西，然後被一路帶到「零」。不是凹了，也不是破了，而是歸零。這一頁的每個意思，都可以當成同一個歸零發生在不同地方：真實的城市、比賽裡對手的機會，或實驗室裡的一顆粒子。
From the word’s history
The evidence packet traces the word to Latin annihilo, from ad (to) plus nihil (nothing) - literally to bring something to nothing, which is exactly the drop to zero the modern uses share.
提供的來源記載這個字來自拉丁文 annihilō，由 ad（朝向）加 nihil（無）組成，字面就是「把某樣東西帶到無」。這正好就是今天各種用法共同的那個「歸零」。
Wiktionary, "annihilate"
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