原子反应堆 yuán zǐ fǎn yìng duī

DEFINITIONS

  1. atomic reactor

CHARACTERS

原 yuán
HSK 4
source, origin, beginning
子 zǐ
HSK 1
offspring, child; fruit, seed of; 1st terrestrial branch
反 fǎn
HSK 4
reverse, opposite, contrary, anti
应 yìng
HSK 3
should, ought to, must
堆 duī
HSK 5
heap, pile, crowd; pile up