When something is serrated, its edge is not smooth. It has a row of little points, like teeth, joined along the line.

When something is serrated當一個東西是serrated（鋸齒狀）的, its edge is not smooth它的邊緣不是平滑的. It has a row of little points它有一排小小的尖點, like teeth像牙齒一樣, joined along the line沿著邊緣連在一起.

A bread knife is the picture most people have: the teeth catch the crust so the knife can saw rather than slide.

A bread knife is the picture most people have麵包刀是大多數人腦中的畫面: the teeth catch the crust那些鋸齒會咬住外皮, so the knife can saw rather than slide讓刀子可以用鋸的而不是用滑的.

Saws are serrated; some cloth scissors are serrated on one blade. Leaves can be serrated too — a rose leaf, with small notches all along the side.

Saws are serrated鋸子是serrated的; some cloth scissors are serrated on one blade有些剪布用的剪刀有一邊刀刃是serrated的. Leaves can be serrated too葉子也可能是serrated的—— a rose leaf, with small notches all along the side像玫瑰葉，邊緣一路有小小的缺刻.

You will hear this word in kitchens, in tool shops, and in biology class. It is a calm, describing word, not slang.

You will hear this word in kitchens, in tool shops, and in biology class你會在廚房、工具行、還有生物課裡聽到這個字. It is a calm, describing word這是個平實的形容詞, not slang不是俚語.

Though actually, people sometimes stretch it to anything that looks like teeth in a row even when it is not sharp — the serrated edge of a stamp, for example.

Though actually不過其實, people sometimes stretch it to anything that looks like teeth in a row有時候人們會把它引申用在任何看起來像一排牙齒的東西上, even when it is not sharp就算不尖銳也一樣—— the serrated edge of a stamp, for example比如郵票的鋸齒邊.