serrate

这把刀的刀刃呈锯齿状，便于切割面包。

The blade of this knife has a ___serrate edge, which is great for cutting bread.

园丁戴上厚手套才敢修剪冬青灌木那锯齿状的叶片。

The gardener put on thick gloves before trimming the ___serrate leaves of the holly bush.

便携锯上锯齿状的金属刀片很快就把倒下的树枝锯断了。

The ___serrate metal blade of the portable saw made short work of the fallen branch.