基本解释半圆凿词组短语短语wooden half -round chisel 木半圆凿half-round chisel更多词组英英字典柯林斯英英字典 a cold chisel with a semicircular cutting edge used for making narrow channels half-round chisel剑桥字典half-round chisel柯林斯字典专业释义机械工程半圆凿