piracy

n (a) [U] robbery by pirates (pirate 1a) 海盗的掠夺. (b) [U] illegal copying or broadcasting 非法复制或广播. (c) [C] instance of either of these 非法复制或广播.

piously, piousness, pip, pip-squeak, pipal (also peepul), pipe, pipe-cleaner, pipe-dream, pipeclay, pipeline, piper, pipette, piping, pipit, pippin, piquancy, piquant, piquantly, pique, piquet, piranha, pirate, piratical, piratically, pirouette, Pisa, piscatorial, Piscean, Pisces, piss, pissed, pistachio, piste, pistil, pistol, piston, piston ring, piston-engined, pit, pit pony,