Search the dictionary A Chinese word or character, or English Draw a character Search 2 entries. zhèngdiànzǐfāshèduàncéngzhàoxiāngshù 正电子发射断层照相术 positron emission tomography (PET) zhèngdiànzǐfāshèduàncéngzhàoxiāngshù 正電子發射斷層照相術 positron emission tomography (PET)