释义 |
fis·sionBrE /ˈfɪʃn/ NAmE /ˈfɪʃn/ noun [U ] (also ˌnuclear ˈfission ) (physics物理) the act or process of splitting the nucleus (= central part ) of an atom , when a large amount of energy is released (核)裂变,分裂 ➡ compare fusion (2 ) amplitude , atom , energy , fission , force , frequency , gravity , molecule , nuclear , physics (biology生物) the division of cells into new cells as a method of reproducing cells 裂体生殖 |