cutting edge star1

• 1.  

  N-SING（单数型名词） If you are at the cutting edge of a particular field of activity, you are involved in its most important or most exciting developments. 前沿

  例：

  This shipyard is at the cutting edge of world shipbuilding technology.

  这家造船厂位于世界造船技术的前沿。

• 2.  

  ADJ（形容词） Cutting-edge techniques or equipment are the most advanced that there are in a particular field. 尖端的

  例：

  What we are planning is cutting-edge technology never seen in Australia before.

  我们正在筹划的是澳大利亚前所未见的尖端技术。