n.(刀片的)刃口；尖端；前沿
adj.先进的，尖端的
He could make a tool with a sharp edge for cutting. 他能做成一种刃口锋利的切削工具。
Clean the shave after each use to keep the cutting edge sharp. 每次使用完后要清理电动剃须刀以保持刃口锋利。
California is on the cutting edge of trends that spread nationwide. 加州走在全国流行的尖端。
The Aerospace Technology Exposition included more than100 exhibitors addressing cutting edge aerospace technology. 航天科技博览会包括了一百多个参展商以解决尖端的航天技术问题。
Cutting edge know-how of a wide range of industrial applications in surface treatment. 工业应用最前沿的表面处理技术。
