氫原子核 qīng yuán zǐ hé

DEFINITIONS

  1. hydrogen nucleus

CHARACTERS

氫 qīng hydrogen
原 yuán
HSK 4
source, origin, beginning
子 zǐ
HSK 1
offspring, child; fruit, seed of; 1st terrestrial branch
核 hé
HSK 5
seed, kernel, core, nut; atom