放射性计时 fàng shè xìng jì shí

DEFINITIONS

  1. radiometric dating

CHARACTERS

放 fàng
HSK 3
put, release, free, liberate
射 shè
HSK 5
shoot, eject, issue forth, emit
性 xìng
HSK 4
nature, character, sex
计 jì
HSK 4
plan, plot; stratagem; scheme
时 shí
HSK 1
time, season; era, age, period