quadrangular

adj having four sides 有四边的; 四边形的.

Pyrrhic victory, python, Q, Q, q, QB, QC, QE2, QED, qr, qt, qto, qty, qua, quack, quack-quack, quackery, quad, quadr(i)-, Quadragesima, quadrangle, quadrant, quadraphonic (also quadrophonic), quadraphony (also quadrophony), quadratic equation, quadrennial, quadrilateral, quadrille, quadrillion, quadrophonic, quadrophony, quadruped, quadruple, quadruplet, quadruplicate, quaff, quagmire, quail, quaint, quaintly, quaintness, quake,