plunge

vt.使投入；使陷入 vi.投(入) n.跳水

ploy, pluck, pluckily, plucky, plug, plug-hole, plum, plum pudding, plumage, plumb, plumb-line, plumber, plumbing, plume, plummet, plummy, plump, plumpness, plunder, plunderer, plunger, plunk, pluperfect, plural, pluralism, pluralist, pluralist (also pluralistic), plurality, plus, plus-fours, plush, plushiness, plushy, Pluto, plutocracy, plutocrat, plutocratic, plutonium, ply, plywood,