圆锥曲线 yuán zhuī qū xiàn

DEFINITIONS

  1. conic section

CHARACTERS

圆 yuán
HSK 5
circle; round, circular; complete
锥 zhuī gimlet, awl, drill, auger; bore
曲 qū
HSK 6
crooked, bent; wrong, false
线 xiàn
HSK 4
line, thread, wire; clue