原子質量 yuán zǐ zhì liàng

DEFINITIONS

  1. atomic mass

CHARACTERS

原 yuán
HSK 4
source, origin, beginning
子 zǐ
HSK 1
offspring, child; fruit, seed of; 1st terrestrial branch
質 zhì matter, material, substance
量 liàng
HSK 4
measure, quantity, capacity