abbr. Pion Generator for Medical Irradiation 
射π介子发生器
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frock coat, frocking, frocks, froe, Froebel, Froebelian, Froebelism, FROF, frog, frog-belly,
相似单词
pigmentophage, pigmentophore, pigmentosa, pigments, pigmentum, PIGMI, pigmy, pignon, pignorate, pignus,