regulation

n.调整，调节；规则，规定

Regius professor, regnant (often 常作 Regnant), regress, regression, regressive, regret, regretful, regretfully, regrettable, regrettably, regroup, regrow, Regt, regular, regularity, regularization, regularisation, regularize, regularize, regularise, regularly, regulate, regulator, regulatory, regurgitate, regurgitation, rehabilitate, rehabilitation, rehabilitative, rehash, rehear, rehearing, rehearsal, rehearse, rehouse, Reich, reign, reigning, reimburse, reimbursement, rein, reincarnate,