the splitting of the nucleus of an atom , which results in the release of a large amount of energy , or the division of a living cell as part of reproduction
发音
例句
1. The fission of the cell could be inhibited with certain chemicals. 细胞的裂变可以通过某些化学药品加以抑制。 2. Nuclear fission releases tremendous amounts of energy. 核裂变释放出巨大的能量。