pyramidal

adj having the shape of a pyramid 金字塔形的; 锥体形的.

putter, putting-green, putty, puzzle, puzzled, puzzlement, puzzler, puzzling, PVC, Pvt, PW, PX, pygmy (also pigmy), pyjama (US pajama), pyjamas, pyjamas (also esp US pajamas), pylon, pyorrhoea (also esp US pyorrhea), pyramid, pyramid selling, pyre, Pyrex, pyrites, pyromania, pyromaniac, pyrotechnic, pyrotechnics, Pyrrhic victory, python, Q, Q, q, QB, QC, QE2, QED, qr, qt, qto, qty, qua,