| 单词 | extemporaneously |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔ad-lib〕To improvise and deliver extemporaneously.即兴演讲，即兴发言美国传统〔impromptu〕Something, such as a speech, that is made or done extemporaneously.即兴作的东西，如讲演美国传统〔impromptu〕With little or no preparation; extemporaneously.没有准备地；临场地美国传统〔offhand〕Without preparation or forethought; extemporaneously.未经准备地：没有准备或事先思考；即席地美国传统 |
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