P字母开头的单词或词组(第30页)：
- petition
- petitioner
- petroglyph
- petty
- petrify
- petulance
- petulant
- petroleum
- petrology
- phantom
- pharmaceutical
- pharmacology
- phenomena
- phenomenal
- philanthropic
- philatelist
- philately
- philistine
- phlegmatic
- phoenix
- phonetic
- photosynthesis
- physiological
- piano
- pictorial
- piddling
- pillory
- pied
- piercing
- pigment
- pillar
- pilot
- pierce
- pilgrim
- pinch
- pine
- pinnacle
- pious
- piquant
- pinpoint
- pique
- pirate
- pirouette
- pistol