单词	valedictory
释义	valedictoryval‧e‧dic‧to‧ry /ˌvæləˈdɪktəri◂/ noun (plural valedictories) [countable] formal Word Origin WORD ORIGINvaledictory Origin: 1600-1700 Latin valedictus, past participle of valedicere ‘to say goodbye’, from vale ‘goodbye’ + dicere ‘to say’ a speech or statement in which you say goodbye when you are leaving a school, job etc, especially on a formal occasion—valedictory adjective:  a valedictory speech
随便看	inviting invitingly in vitro fertilization in vivo invocation invoice invoke involuntarily involuntary involve involved involvement invulnerability invulnerable inward inward investment inward-looking inwardly inwards in-word in-your-face iodine IofC IOM -ion

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