剩餘放射性 shèng yú fàng shè xìng

DEFINITIONS

  1. residual radioactivity

CHARACTERS

剩 shèng leftovers, residue, remains
餘 yú surplus, excess, remainder
放 fàng put, release, free, liberate
射 shè shoot, eject, issue forth, emit
性 xìng nature, character, sex