Next,they added real feathers cut to the correct size.

VOA: special.2010.03.16

The first step is we had to be able to take this circular DNA and cut it to create a site for our new gene to be added.

第一步是切割环形DNA,以创造出一个整合新基因的位点

耶鲁公开课 - 生物医学工程探索课程节选

He added that his town has been cut off by rain and mud that has blocked roads and covered railway lines.

VOA: standard.2009.10.03