pledge

n.誓约；保证物 vt.发誓；抵押

pleasantly, pleasantness, pleasantry, please, pleased, pleasing, pleasurable, pleasurably, pleasure, pleasure-boat, pleasure-craft, pleasure-ground, pleasure-seeking, pleat, pleb, plebeian, plebeian (also pleb), plebiscite, plectrum, pled, Pleistocene, plenary, plenipotentiary, plenitude, plenteous, plenteously, plentiful, plentifully, plenty, plenty of, pleonasm, pleonastic, plethora, pleurisy, plexus, pliability, pliable, pliancy, pliant, pliantly,