forefront [ˈfɔ:rfrʌnt]

例句:

• Instead, they have been thrust to the forefront.
  来自THETIMES
• His team are at the forefront of scientific research into vaccines.
  他的小组处于疫苗科研的最前沿.
  
• He was at the forefront of the pro-democracy campaign in the country.
  他活动在该国亲民主运动的前沿。
  
• Education, quite rightly, is currently at the forefront of the political agenda.
  目前教育被排在政治议程的首位，这样做非常恰当。
  
• They were in the forefront of progress and invention.
  来自G. M. Trevelyan
• Television manufacturers are at the forefront of this innovation.
  来自BBC