词汇	have an urge
释义	have an urge 有强烈欲望
随便看	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 Precursor information