discipline

n.纪律；训练；学科 vt.训练；惩罚

disbar, disbelief, disbelieve, disburse, disbursement, disc, disc (also esp US disk), disc brake, disc harrow, disc jockey, discard, discern, discernible, discerning, discernment, discharge, discharged, disciple, disciplinarian, disciplinary, disclaim, disclaimer, disclose, disclosure, disco, disco dancing, disco music, discography, discoloration, discolour (US discolor), discombobulate, discomfit, discomfiture, discomfort, discomfortable, discommode, discompose, discomposure, disconcert, disconcerted,