单词	PET scan
释义	PET scan noun ˈpet-  : a sectional view of the body constructed by positron-emission tomography PET scanner noun PET scanning noun Word History First Known Use 1980, in the meaning defined above Medical Definition PET scan noun ˈpet-  : a sectional view of the body constructed by positron-emission tomography
随便看	piston spring piston valve pistonhead pistonlike pistonphone pistons pistou pistous Pisum pisé pisé de terre pisés pisés de terre pit pit against pit annulus pit aperture pit band pit border pit boss pit bull pit bull terrier pit bulls pit canal pit cavity

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