"crossed the river on improvised bridges"
"the survivors used jury-rigged fishing gear"
"the rock served as a makeshift hammer"
A type of music that originated in the West Indies,notably in Trinidad,and is characterized by improvised lyrics on topical or broadly humorous subjects. 卡力骚曲，一种起源于西印度的音乐，在特立尼达有影响，主要特征是根据主题或广泛的幽默体裁即席而作的音律。
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。
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。