extemporize
v. 即席演说；即兴演奏；当场作成
sp. =extemporise（英）.
名词：extemporization 过去式：extemporized 过去分词：extemporized 现在分词：extemporizing 第三人称单数：extemporizes
近义词：improvise，wing，ad-lib，playitbyear，wingit，extemporise，improvize，
英英释义
Verb
- manage in a makeshift way; do with whatever is at hand;
"after the hurricane destroyed our house, we had to improvise for weeks"
- perform without preparation;
"he extemporized a speech at the wedding"