cutting-edge

n. (刀片的)刃口, 尖端, 前沿

例句与用法：

Holes are machined on lathes with various cutting tools.

孔眼可用不同的切削刀具在车床上加工。

A groove or notch made by a cutting tool, such as a saw or an ax.

锯缝，劈痕切割型工具如锯或斧子所制造的沟槽或凹口

词形变化：

副词: cuttingly |