At this point
问题描述：
At this point
At this point in time,the study of
nanoparticles is an area of intense scientific interest
due to the fact that it has potential application in
the fields of biomedical,optical and electronic
researches．
Nanoparticle research is an area of intense
scientific interest because it has potential
application in biomedical，optical and electronic
fields．
答
你要干嘛都没说吧→_→