Pliocene

adj (geology 地质) of the last epoch of the Tertiary period in the earth's history (when many modern mammals appeared) 上新世的.

plenteously, plentiful, plentifully, plenty, plenty of, pleonasm, pleonastic, plethora, pleurisy, plexus, pliability, pliable, pliancy, pliant, pliantly, pliers, plight, plimsoll, Plimsoll line, plinth, plod, plodder, plodding, ploddingly, plonk, plop, plosive, plot, plough, plough (US plow), ploughman (US plowman), ploughshare (US plowshare) (also share), plover, plow, ploy, pluck, pluckily, plucky, plug, plug-hole,