extemporary
美 [ɪk'stempəˌrerɪ]
英 [ɪks'tempərərɪ] 
同义词
英汉解释
例句
extemporary: Spoken, done, or composed with little or no preparation or forethought .
即席的,即兴的:未经或很少准备或构思而讲的、做的或谱写的。
Presently about faces the room the order to conduct each kind extemporary display by the southing north.
现左右朝房由南向北顺序举办各类临时展览。