parabola

n. 抛物线

paper-clip, paper-knife, paper-mill, paperback, papercut, papercutting, papers, paperweight, paperwork, papery, papier mache, papist, papoose, paprika, papyrus, par, par (also para / 5prE; `pArE/), par excellence, para-, parable, parabolic, parachute, parachutist, parade, parade-ground, paradigm, paradigmatic, paradisaical, paradise, paradox, paradoxical, paradoxically, paraffin, paragon, paragraph, parakeet, parallel, parallel bars, parallelism, parallelogram,