| 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 |