999英语网 英语单词
Fission的音标发音
Fission
英式发音：['f()n] or ['fn]
美式发音
(noun.) a nuclear reaction in which a massive nucleus splits into smaller nuclei with the simultaneous release of energy.
(noun.) reproduction of some unicellular organisms by division of the cell into two more or less equal parts.
手打:诺娜
