正电子发射层析 Save Sign in to save words Traditional (Taiwan): 正電子發射層析 zhèngdiànzǐfāshècéngxī ㄓㄥˋ ㄉㄧㄢˋ ㄗˇ ㄈㄚ ㄕㄜˋ ㄘㄥˊ ㄒㄧ positron emission tomography (PET) Character by character 正(zhèng)straight 电(diàn)lightning 子(zǐ)son 发(fā)send out 射(shè)shoot 层(céng)pile on top of one another 析(xī)separate A Chinese word or character, or English Search Sources CC-CEDICT, CC BY-SA 4.0 pinyinjs, Apache-2.0