衰变曲线 shuāi biàn qū xiàn

DEFINITIONS

  1. decay curves

CHARACTERS

衰 shuāi
HSK 6
decline, falter, decrease; weaken
变 biàn
HSK 3
change, transform, alter; rebel
曲 qū
HSK 6
crooked, bent; wrong, false
线 xiàn
HSK 4
line, thread, wire; clue