超重氫 chāo zhòng qīng

DEFINITIONS

  1. tritium
  2. 3H
  3. radioactive isotope of hydrogen having 2 neutrons in its nucleus, so atomic weight 3

CHARACTERS

超 chāo
HSK 3
jump over, leap over; surpass
重 zhòng
HSK 3
heavy, weighty; double
氫 qīng hydrogen