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serrated + noun
serrated 常作定语，放在名词前，相当于“锯齿状的”。
She used a serrated knife to cut the bread.
她用一把锯齿刀切面包。
锯齿状的
先理解核心含义，再看它在真实句子里的用法。
锯齿状的
having a saw-toothed edge; notched like a saw with teeth pointing toward the apex
She used a serrated knife to cut the bread.
她用一把锯齿刀切面包。
有锯齿状切口的；像锯子般有缺口的。
Notched or cut like a saw.
有一排锋利或齿状突起的。
Having a row of sharp or tooth-like projections.
The chef used a serrated knife to slice the ripe tomatoes without crushing them.
厨师用锯齿刀切成熟的西红柿，不会把它们压烂。
She carefully cut the bread with a serrated edge because the crust was hard.
因为面包皮很硬，她小心地用锯齿状刀刃切面包。
The serrated leaves of this plant can irritate your skin if you touch them.
这种植物的锯齿状叶子如果碰到会刺激皮肤。
serrated 常作定语，放在名词前，相当于“锯齿状的”。
She used a serrated knife to cut the bread.
她用一把锯齿刀切面包。
作表语时说明主语具有锯齿状边缘。
The edge of the blade is serrated.
刀片的边缘是锯齿状的。
Not this
I bought a serrate knife.
Use this
I bought a serrated knife.
serrate 是动词（使成锯齿状），作形容词修饰名词（如 knife）时应使用过去分词形式 serrated，表示“锯齿状的”。
Not this
I cut the bread with a sawtooth knife.
Use this
I cut the bread with a serrated knife.
汉语“锯齿”直译成 sawtooth，但英语中形容刀口呈锯齿状的标准说法是 serrated，sawtooth knife 不是自然搭配。
Not this
The serated blade is sharp.
Use this
The serrated blade is sharp.
serrated 拼写中保留两个 r（源自拉丁语 serra），漏写第二个 r 是常见错误；注意双写 r 才能准确表示“锯齿状的”。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
锯齿刀
Use a serrated knife to cut the tomato without crushing it.
用锯齿刀切番茄，不会把它压碎。
锯齿状边缘
The serrated edge of the saw made clean cuts in the wood.
锯子的锯齿状边缘让木头切口干净利落。
锯齿刃
A serrated blade is best for slicing bread.
锯齿刃最适合切面包。
锯齿
The leaf has serrated teeth along its margins.
这种叶子的边缘有锯齿。
锯齿面包刀
She used a serrated bread knife to slice the baguette.
她用锯齿面包刀切法棍面包。
锯齿牛排刀
The steak was tender enough to cut with a butter knife, but the serrated steak knife worked too.
牛排嫩得用黄油刀就能切，但锯齿牛排刀也行。
Use serrated naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
想象一把面包刀，刀刃布满一列小尖齿，像迷你锯子（saw）的边；看到 serrated 就想到这个锯齿边缘，即“锯齿状的”。
语域：neutral 常见场景：刀具、工具、技术描述 serrated 通常用来形容边缘呈锯齿状的物体，多用于描述刀具、锯条或某些自然物的边缘；在一般说明和较正式文本中都比较常见。
serrated 在句中常作定语，说明某个物品的边缘像锯齿一样。
Dictionary facts from ECDICT, WIKTIONARY.