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crunch sth
crunch 作及物动词时，表示咬碎或压碎食物等，并伴有清脆的嘎吱声。
She crunched a carrot between her teeth.
她嘎吱嘎吱地咬碎了一根胡萝卜。
嘎吱作响地压碎/碾碎/挤压（尤指食物）；被压得嘎吱作响
crunched — past of crunch
先理解核心含义，再看它在真实句子里的用法。
嘎吱作响地压碎/碾碎/挤压（尤指食物）；被压得嘎吱作响
To crush, grind, or press something (especially food) with a loud crackling sound, or to be crushed in this way.
She crunched a carrot between her teeth.
她嘎吱嘎吱地咬碎了一根胡萝卜。
压碎某物,尤指食物,发出响亮的噼啪声。
To crush something, especially food, with a noisy crackling sound.
被压碎并发出响亮的噼啪声。
To be crushed with a noisy crackling sound.
猛烈而嘈杂地碾磨或挤压。
To grind or press with violence and noise.
发出碾磨或嘎吱声。
To emit a grinding or crunching noise.
crunch
Base
原形
crunches
3rd person
第三人称单数
crunching
-ing
现在分词
crunched
Past
过去式
crunched
Past participle
过去分词
She crunches an apple every morning.
她每天早上嘎吱嘎吱地吃苹果。
He is crunching on a carrot right now.
他现在正在嘎吱嘎吱地嚼胡萝卜。
They crunched through the snow yesterday.
他们昨天嘎吱嘎吱地踏过雪地。
规则变化的动词，过去式和过去分词加-ed，现在分词加-ing。
She crunched into the crispy apple with a loud noise.
她嘎吱一声咬了一口脆苹果。
The car crunched the gravel as it drove away.
汽车开走时碾碎了碎石。
He crunched the empty cans before throwing them away.
他压碎空罐子然后扔掉。
crunch 作及物动词时，表示咬碎或压碎食物等，并伴有清脆的嘎吱声。
She crunched a carrot between her teeth.
她嘎吱嘎吱地咬碎了一根胡萝卜。
crunch 作不及物动词时，主语是发出嘎吱声的东西；后常接 under 短语说明在哪里作响。
The snow crunched under our boots.
雪在我们的靴子下嘎吱作响。
crunch the gears 指驾驶操作不当（如离合器未同步就换挡）使齿轮发出嘎吱声。
He crunched the gears because he released the clutch too quickly.
他松离合器太快，换挡时弄得齿轮嘎吱响。
Not this
Please crunch your food well before swallowing.
Use this
Please chew your food well before swallowing.
crunch 指咬碎硬脆物时发出的嘎吱声，并不表示“咀嚼”；表示把食物嚼碎应使用 chew。
Not this
She crunched the soft bread in her hands.
Use this
She crushed the soft bread in her hands.
crunch 强调压碎硬脆食物时发出的嘎吱声；面包柔软，没有脆响，应改用 crush。
Not this
He crunches his teeth when he is angry.
Use this
He grinds his teeth when he is angry.
表示“磨牙”要用固定搭配 grind one's teeth；crunch 不用于描述牙齿相互摩擦。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
嘎吱嘎吱地嚼（某食物）
She was crunching on a carrot.
她正嘎吱嘎吱地嚼着一根胡萝卜。
嘎吱嘎吱地踩过（雪/落叶）
We crunched through the snow to the cabin.
我们嘎吱嘎吱地踩着雪走到小屋。
（碎石、落叶等）在脚下嘎吱作响
The dry leaves crunched underfoot.
干枯的落叶在脚下嘎吱作响。
（换挡不当）使齿轮嘎吱作响
He crunched the gears as he tried to reverse.
他倒车时挂挡不当，齿轮嘎吱作响。
把（纸等）揉成一团并弄出嘎吱声
She crunched up the letter and tossed it in the bin.
她把信揉成一团，发出嘎吱声，扔进了垃圾桶。
仔细计算数字；处理数据
We need to crunch the numbers before we make a final decision.
在做出最终决定之前，我们需要仔细计算这些数字。
Use crunched naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
联想：咬碎脆薯片的“咔嚓”声，就是 crunch——嘎吱作响地压碎。
语域：mixed 常见场景：crisp food、physical crushing/grinding、gear shifting、data compression 该动词的语域随场景变化：日常口语中多用于描述咬碎脆食物或压碎东西时的嘎吱声；在机械或驾驶语境中可指齿轮摩擦作响；计算机领域则指数据压缩。通常较少出现在严肃的正式文体中，使用时需根据搭配判断具体含义。
这些词与 crunch 押韵：lunch、punch、bunch、munch、brunch、hunch，均以 /ʌntʃ/ 结尾。注意 crutch /krʌtʃ/ 形近但元音不同，不发 /ʌn/。
Dictionary facts from ECDICT, WIKTIONARY, WORDNET.