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...

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

vt.即兴创作，即席演奏...

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....

extemporize的现在进行时为：extemporizing...

extemporize的现在完成时为：extemporized...