| 单词 | ad lib |
| 例句 | ad lib verb •halfway through the speech, she started ad libbing:improvise, extemporize, speak impromptu, play it by ear, make it up as one goes along, wing it.▶adverb •she spoke ad lib:impromptu, extempore, without preparation, without rehearsal, extemporaneously | informal off the cuff, off the top of one's head | ad libitum.▶adjective •a live, ad lib commentary:impromptu, extempore, extemporaneous, extemporary, improvised, unprepared, unrehearsed, unscripted | informal off-the-cuff, spur-of-the-moment. ANT rehearsed. |
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