| 单词 | improvisate | 
| 释义 | improvisate in British English (ɪmˈprɒvɪˌzeɪt) adjective 1.  unplanned; impromptu; spontaneous verb 2. (transitive)  to improvise; extemporize 3. (intransitive)  to speak without forethought   | 
	
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