down in the dumps片语KK [daʊn ɪn ðə dʌmps] /daʊn ɪn ðə dʌmps/发音片语1沮丧、闷闷不乐、情绪低落口语She's been down in the dumps since losing her job.她失业之后一直闷闷不乐。用这个字练口说→