sawtooth

1.a heavy-duty knife with sawtooth serrations.

带锯齿的厚实耐用刀。

2.a saw-toothed mountain range; a sawtooth curve.

蜿蜒的山脊；锯齿般的曲线

3.the sawtooth austenite boundaries become preferential nucleation sites of ferrite, and the sawtoothed ferrite boundaries contribute to the formation of ferrite recrystallization nucleus.

锯齿状的奥氏体晶成为铁素体的形核位置;