题目

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．

提问时间：2020-07-26

答案

你要干嘛都没说吧→_→