a patch of noun
表示一小块区域。
There was a patch of ice on the road.
路上有一片冰。
斑点；色斑；小块；小块土地；菜地；管区；责任区；敷料；护创贴；透皮贴剂；贴片
a piece of material used to mend a hole, strengthen, or decorate something
补丁
A piece of cloth, or other suitable material, sewed or otherwise fixed upon a garment to repair or strengthen it, especially upon an old garment to cover a hole.
某物的小对比部分
a small contrasting part of something
修补物
A small piece of anything used to repair damage or a breach; as, a patch on a kettle, a roof, etc.
被特定植被覆盖的小块土地
a small area of ground covered by specific vegetation
临时修补
A piece of any size, used to repair something for a temporary period only, or that it is temporary because it is not meant to last long or will be removed as soon as a proper repair can be made, which will happen in the near future.
用作装饰或修补、覆盖孔洞的布片
a piece of cloth used as decoration or to mend or cover a hole
小块区域
A small, usually contrasting but always somehow different or distinct, part of something else (location, time, size)
小块土地
A small area, a small plot of land or piece of ground.
专业责任区域
A local region of professional responsibility.
伤口覆盖物
A piece of material used to cover a wound.
药物贴片
An adhesive piece of material, impregnated with a drug, which is worn on the skin, the drug being slowly absorbed over a period of time.
眼罩
A cover worn over a damaged eye, an eyepatch.
枪口挡块
A block on the muzzle of a gun, to do away with the effect of dispart, in sighting.
数据补丁
A piece of data intended to modify a computer file by replacing a part of it.
清洁枪管的布片
A small piece of material that is manually passed through a gun barrel to clean it.
枪弹包裹布
A piece of greased cloth or leather used as wrapping for a rifle ball, to make it fit the bore.
连接两件电气设备的电缆。
A cable connecting two pieces of electrical equipment.
音乐合成器的声音设置(最初通过连接线选择)。
A sound setting for a musical synthesizer (originally selected by means of a patch cable).
一种属于Chlosyne属的蝴蝶。
A butterfly of the genus Chlosyne.
He sewed a patch onto his jeans to cover the hole.
他在牛仔裤上缝了一块补丁来盖住破洞。
用法提示：这里的 patch 是名词，指用于修补的布块。
AI contextual example
The garden has a patch of bright flowers.
花园里有一片鲜艳的花丛。
用法提示：这里的 patch 是名词，指一小片区域。
AI contextual example
There is a dark patch on the wall where the picture used to hang.
墙上挂画的位置有一块深色斑迹。
用法提示：这里的 patch 是名词，指颜色或质地不同的斑块。
AI contextual example
表示一小块区域。
There was a patch of ice on the road.
路上有一片冰。
指缝在衣物上的补片。
He sewed a patch on his jeans.
他在牛仔裤上缝了一个补丁。
The mechanic put a patch on the tire.
修理工在轮胎上打了一个补丁。
仅用于医疗场景，指包扎伤口的绷带，不用于衣服补丁。
专指医疗用的敷料，一般不用于衣物或装饰。
指粘贴式的医疗贴片，如创可贴，不是普通布片。
泛指任何覆盖物，不特指小块材料，可替换但范围更广。
强调零碎或剩余部分，不一定用于修补或覆盖。
grammar · medium
易错句子I need a patch of paper.
正确表达I need a piece of paper.
汉语学习者常将“patch”和“piece”混淆。patch通常指用于修补的补丁或小块区域，而piece泛指任何碎片或一部分。此处用piece更自然。
grammar · medium
易错句子There is a patch in the wall.
正确表达There is a patch on the wall.
patch（补丁）通常贴在表面上，所以介词用on，而非in。表示墙上的补丁时，应使用on the wall。
patch作为'补丁'时，其反义词为'hole'，指需要被修补的孔洞。
piece泛指任何部分或片段，不强调对比或修补；patch特指与周围有差异的一小块，常用于修补或斑块。
spot通常指小的圆形斑点或污渍，强调视觉上的标记；patch指面积较大的区域，常带有修补或拼接的意味。
scrap指废弃或剩余的小块，常为材料碎片；patch指用于修补或覆盖的一小片，常与周围不同。
眼罩
The pirate wore an eye patch.
那个海盗戴着一个眼罩。
肩章
He sewed a company logo onto his shoulder patch.
他把公司标志缝在肩章上。
一小块土地
They cultivated a small patch of land behind the house.
他们在房子后面耕种了一小块土地。
一片白色
The cat has a patch of white on its chest.
这只猫胸口有一片白色。
尼古丁贴片
He used a nicotine patch to help him quit smoking.
他用尼古丁贴片帮助戒烟。
一块冰
Be careful of that patch of ice on the sidewalk.
小心人行道上的那块冰。
修复关系；和解
After their argument, they decided to patch things up and remain friends.
争吵之后，他们决定修复关系，继续做朋友。
远比不上；比……差得远
Her new novel is not a patch on her earlier work.
她的新小说远不如她早期的作品。
困难时期；逆境
They went through a rough patch in their marriage but eventually worked things out.
他们的婚姻经历了一段困难时期，但最终解决了问题。
Dictionary facts from DICTIONARY_API_DEV, ECDICT, WIKTIONARY, WORDNET.