sharpenvt.使尖锐;磨快;加剧vi.变尖锐
sharpened slate pencil削尖石笔
sharpen your knife forvt.准备惩罚
Sharpen your pencil.削铅笔。
sharpening enhancement锐化增强
sharpen a kitchen knife钢菜刀
sharpen with a strap.用磨刀皮带使变得尖锐。
sharpen their knife forvt.准备惩罚
sharpen one's knife for吉尔德布兰特
Sharpen the pitchforks.把干草叉磨尖?
sharpening of round angle圆角变尖