pitch

n.沥青；球场；音高；程度 v.投；定调

pirouette, Pisa, piscatorial, Piscean, Pisces, piss, pissed, pistachio, piste, pistil, pistol, piston, piston ring, piston-engined, pit, pit pony, pit-a-pat, pit-a-pat (also pitter-patter), pit-head, pit-prop, pitch-and-toss, pitch-black, pitch-dark, pitch-pine, pitchblende, pitched, pitcher, pitchfork, piteous, piteously, piteousness, pitfall, pith, pith hat (also `pith helmet), pithily, pithiness, pithy, pitiable, pitiably, pitiful,