单词	um and ah
释义	um and ahˌum and ˈah verb [intransitive] informal to think for some time before making a decision:  He ummed and ahed a bit but eventually agreed to help us.
随便看	-ment mental -mental mental age mental arithmetic mental hospital mentality mentally mentally handicapped mentally ill mentee menthol mentholated mention mentor mentoring menu menu-driven Menuhin, Sir Yehudi Menzies, Sir Robert Gordon meow meow meow MEP mephedrone Mephistophelean

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