查有声字典,e.g.merriam-webster但它不是KKcambridge好像是用IPA?dictionary.cambridge.org/dictionary/english/dumpcambridge 的美式发音会标出flapping但音档却...dictionary.cambridge.org/dictionary/english/writerM-W音档是flapping t但音标没标出
http://www.merriam-webster.com/dictionary/writer