regrettably

adv 1 in a regrettable way 惋惜地; 遗憾地; 可悲地: a regrettably small income 少得可怜的收入. 2 it is to be regretted that 十分遗憾; 遗憾的是: Regrettably, the experiment ended in failure. 很遗憾, 该试验最後失败了.

register, register office, registered, registered nurse, registered post, registered trade mark, registrar, registration, registration number, registry, registry office (also `register office), Regius professor, regnant (often 常作 Regnant), regress, regression, regressive, regret, regretful, regretfully, regrettable, regroup, regrow, Regt, regular, regularity, regularization, regularisation, regularize, regularize, regularise, regularly, regulate, regulation, regulator, regulatory, regurgitate, regurgitation, rehabilitate, rehabilitation, rehabilitative, rehash, rehear,