名詞 annihilation:

1. destruction by annihilating something
   同義詞：obliteration
2. total destruction
   同義詞：disintegration

1. A full-scale nuclear war could lead to the annihilation of the human race.
   全面的核子戰(zhàn)爭能導(dǎo)致人類的滅絕。

an.ni.hi.la.tion

n.（名詞）

The act or process of annihilating.
殲滅，消滅，毀滅：消滅的行為或過程
The condition or result of having been annihilated; utter destruction.
毀滅，覆沒：被消滅的狀態(tài)或結(jié)果；完全毀滅
Physics The phenomenon in which a particle and an antiparticle, such as an electron and a positron, meet and are converted completely to energy approximately equivalent to the sum of their masses.
【物理學(xué)】 湮滅，湮沒：一種物理現(xiàn)象，一個粒子和它的反粒子，如一個負電子與一個正電子相遇時，轉(zhuǎn)化為與粒子總能量大約相等的能量