make an extemporaneous speech
... [take one's seat] 就席;入席 [extemporize;speak impromptu;make an extemporaneous speech] 临时、当场或即席做某事 [ascend the throne] 开始做帝王或诸侯 ...
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即席发言make an extemporaneous speech; give an offhand talk; give a talk offhand
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make an extemporaneous speech
作即席演讲
以上为机器翻译结果，长、整句建议使用 人工翻译 。