abbr. Field Training Exercise 
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infraspecific, infraspinatus, infrasplenic, infrasternal, infrastructure, infrastucture, infrategillar, infratonsillar, infratracheal, infraversion,
相似单词
FTTC, FTTH, FTTO, FTV, FTW, FTX, fub, fubar, fuberidatol, fuberidazol,