螺旋曲面 luó xuán qū miàn

DEFINITIONS

  1. spiral surface

CHARACTERS

螺 luó spiral shell; conch; spiral
旋 xuán
HSK 6
revolve, move in orbit; return
曲 qū
HSK 6
crooked, bent; wrong, false
面 miàn
HSK 1
face; surface; plane; side, dimension