extemporize的音标：extemporize的英式发音音标为：[ɪk'stempəraɪz]extemporize的美式发音音标为：[ɪk'stɛmpəˌraɪz]...

extemporize的一般过去时为：extemporized...

vt.即兴创作，即席演奏...

The president extemporized a speech after the working dinner.总裁即席发表了一篇工作餐后演说.He extemporized a speech at the wedding.他在婚礼上发表了即席讲话....

extemporize的第三人称单数（三单）为：extemporizes...

extemporize的现在完成时为：extemporized...

extemporizes的音标：...

extemporize的现在进行时为：extemporizing...

He had to extemporize because he had forgotten to bring his notes.他因为忘了带讲稿,只好即席发言....

v.即兴创作，即席演奏( extemporize的第三人称单数 )...

extemporized的音标：...

v.即兴创作，即席演奏( extemporize的过去式和过去分词 )...