a hand-operated saw with a thin blade held in a deep frame, used for cutting intricate decorative patterns in wood

他正在用一把线锯耐心地切割木板上的镂空花纹。

noun · a power tool with a reciprocating blade used for cutting irregular curves and shapes in wood or other materials

这种手提式电动线锯非常适合用来切割复杂的曲线。