面包刀的刀刃应带有波浪齿。

Bread knives should have a serrated edge.

《柯林斯英汉双解大词典》

你还可以用一套刀具，就像是：切肉刀、面包刀、牛排刀、水果刀、土豆削皮刀。

Something else you might use is a set of these knives, you know, carving knives, bread knives, steak knives, fruit knives, potato peeling knives.

youdao

你知道，我有把面包刀，放在某个地方。

"I have a bread knife, you know," she said. "Somewhere."

youdao