[] the leading edge (of sth)the most important and advanced position in an area of activity, especially technology（某活动领域的）最重要位置，领先地位；（尤指技术上的）尖端，前沿◆We operate at/on the leading edge of technology.我们在技术的前沿运作。◆leading-edge technologies尖端技术SYNcutting edge