coach

n.教练；(火车)客车车厢 v.训练，辅导

co-op, co op, co-operate, co-operate, cooperate, co-operation, cooperation, co-operative, co-operative, cooperative, co-operatively, co-operator, co-opt, coopt, co-ordinate, co-ordinate clause, co-ordinate, coordinate, co-ordination, co-ordinator, co-pilot, copilot, co-religionist, coreligionist, co-respondent, corespondent, co-signatory, cosignatory, co-star, co-tenant, coachman, coachwork, coagulant, coagulate, coagulation, coal, coal gas, coal oil, coal tar, coal-black, coal-face (also face), coal-hole, coal-mine (also pit), coal-miner, coal-scuttle (also scuttle), coal-seam, coalesce, coalescence, coalfield, coalition,