hé fǎn yìng duī / zhōng / huì / chǎn shēng / shùn fā zhōng zǐ / shì fàng / dà liàng / néng liàng

核反应堆中会产生瞬发中子，释放大量能量。

Prompt neutrons are produced in nuclear reactors, releasing a large amount of energy.