单词	formulaic speech
释义	formulaic speech 惯用套语
随便看	precursor emission pattern precursor epidermal growth factor domain precursores precursor event precursor fault precursor feeding precursor fiber precursor fibre precursor film precursor fission product precursor-follow effect precursor-follower effect precursor fragment precursor fragments precursor front precursor gas precursor homology domain precursor identification precursories precursor impregnation precursor impregnation procedure precursor incorporation precursor indicators precursor infiltration and pyrolysis precursor infiltration pyrolysis