网络释义
1)use our limited funds where they can be put to best use,把有限的资金用在"刀刃上"2)use the best steel to make the knife's edge; use resources where they are needed most,好钢用在刀刃上3)a metal blade with a handle; used as cutlery.,有把的金属刀片;用作餐具。4)Arbor-mounted cutter,装在芯轴上用的平铣刀5)made narrow; limited in breadth.,使狭窄;在宽度上有限的。6)edge file,刃用锉刀