| 单词 | fission |
| 释义 | fission 2 ENTRIES FOUND: Learner's definition of FISSION [noncount] 1 physics : a process in which the nucleus of a heavy atom is split apart（原子核的）分裂，裂变 ◊ A large amount of energy is released when fission occurs.核裂变发生时，释放出巨大的能量。 — called also nuclear fission — compare fusion 2 biology : a kind of reproduction in which a cell or body divides into two or more parts and each part grows into a whole new individual细胞分裂；裂体生殖 |
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