improvise
发挥───develop;即兴───impromptu
How fast would the disease develop?───这种疾病发展有多快？
We need to develop local industries.───我们需要发展地方工业。
These clashes could develop into open warfare.───这些冲突可能会发展成公开的战争。
It took about a year in office for the administration to grudgingly accept that such a partnership was unlikely to develop any time soon.───经过了大约一年的时间，当局才不得不承认，同中国建立这样一种合作关系是不太可能的。
Some of the children, myself included, rode in the back of the truck, exposed to the sky and whatever weather might develop.───一些孩子也包括我在内，乘坐在卡车上的后面，暴露在天空的下面，而没有考虑天气会怎样变化。
A highly publicized incident about milk products that caused baby girls to develop breasts may have been a smear campaign by a competitor.───之前被广泛报道的奶粉致女婴乳房过早发育事件也许是来自竞争对手的恶意营销手段。
Sentencedict.com is a online sentence dictionary, on which you can find nice sentences for a large number of words.
It is the general's role to develop overall strategy.
It is important to develop good study skills.
Love is photogenic. It needs darkness to develop.
Dark-skinned people rarely develop skin cancer.