adj.即兴的;
v.临时拼凑;即兴演奏(improvise 的过去式及过去分词);
例句:
Mike improvised a new verse for the school song atthe football game.
迈克在足球赛中临时为校歌作新词.
On her right hand she had what looked like an improvised glove.
她右手戴着一只看来象是临时凑合着用的手套.
We shook down a straw mattress as an improvised bed.
我们在地上摊开一条草垫作为临时床铺.