a small area of something, especially one which is different from the area around it 色斑；斑点；（与周围不同的）小块，小片 a black dog with a white patch on its back 背上有一块白斑的黑狗 a bald patch on the top of his head 他头顶的秃块 damp patches on the wall 墙上的片片湿渍 patches of dense fog 团团浓雾 We sat in a patch of shade under a tree. 我们坐在树下的一块阴凉处。
Synonyms patchpatch- dot
- mark
- spot
- patch an area of something, especially one which is different from the area around it:
a white dog with a black patch on its head 头上有一块黑斑的白狗 patches of dense fog 团团浓雾
- dot a small round mark on something, especially one that is printed:
The letters ‘i’ and ‘j’ have dots over them. 字母 i 和 j 上面都有一点。 The island is a small green dot on the map. 这个岛在地图上是一个小绿点。
- mark an area of colour that is easy to notice on the body of a person or animal:
The horse had a white mark on its head. 这匹马头上有块白斑。
- spot a small round area that is a different colour or feels different from the surface it is on:
Which has spots, a leopard or a tiger? 有斑点的是豹还是虎？
- a patch/dot/mark/spot on something
- with patches/dots/marks/spots
- a blue/black/red, etc. patch/dot/mark/spot
Extra ExamplesThe velvet curtains were faded in patches. 天鹅绒窗帘有些地方褪色了。 There were some patches of clear blue sky. 天空中有几处晴朗蔚蓝的地方。 Flowers provide little bright patches of colour around the garden. 鲜花为花园增添了一点点鲜艳的色彩。 an isolated patch of forest 一小块偏僻的林地 icy patches on the roads 路上结冰的地方 located on a small patch of flat ground 位于一小块平地上 This led Nixon into a political briar patch (= a painful situation that is difficult to escape). 这导致尼克松陷入痛苦而又难以摆脱的政治困局。
Oxford Collocations Dictionaryadjective- irregular
- clear
- coloured/colored
- …
- in patches
- patch of
- patch on
- …
- a patch of colour/color
a small piece of material that is used to cover a hole in something or to make a weak area stronger, or as decoration 补丁；补块 Extra ExamplesShe wore a jacket with bright patches sewn onto it. 她穿了一件夹克，点缀着一些颜色鲜艳的补丁。 dancers with patches on their costumes 服装上打着补丁的舞蹈演员 Students were wearing American flag patches on their sleeves. 学生们在袖子上戴着绘有美国国旗的臂章。
Oxford Collocations Dictionaryverb + patch- have
- sew on/onto
- patch on
a piece of material that you wear over an eye, usually because the eye is damaged 眼罩 - (North American English) (British English badge)
a piece of material that you sew onto clothes as part of a uniform （制服上的）标记，标识 He wears a patch from his employer, Verizon. 他戴着一块雇主弗莱森公司的臂章。 It has a UPS patch sewn on the right shoulder. 右肩处缝有一块 UPS 肩章。
Oxford Collocations Dictionaryverb + patch- sport
- wear
- sew on
- …
- patch on
a piece of material that people can wear on their skin to help them to stop smoking 戒烟贴片 nicotine patches 尼古丁戒烟贴片
a small piece of land, especially one used for growing vegetables or fruit 小块土地；（尤指）菜地，果园 
a vegetable patch 一块菜地 We had a strawberry patch beside the greenhouse. 在温室旁我们有一块草莓圃。
Oxford Collocations Dictionaryadjective- isolated
- grassy
- bare
- …
- in a/the patch
- on a/the patch
- patch of
- (British English, informal)
an area that somebody works in, knows well or comes from 工作地；熟悉的地区；家乡 He knows every house in his patch. 他熟悉他那地区的每一座房子。 She has had a lot of success in her home patch. 她在自己的家乡地区真是成绩斐然。
- (informal, especially British English)
a period of time of the type mentioned, usually a difficult or unhappy one 一段（艰难）岁月；一段（痛苦）日子 to go through a bad/difficult/sticky patch 经历艰难／困难／不幸的时期
Extra ExamplesI was going through a patch of poor health. 我那段时间健康状况不佳。 Their business hit a sticky patch last year. 他们的生意去年遭遇了一段艰难时期。 The team has been through a rough patch recently. 团队近来经历了一段艰难时期。 We did have a patch of bad luck, but we're through it now. 我们确实有一点运气不好，但我们现在已经度过了。
Oxford Collocations Dictionaryadjective- bad
- difficult
- rocky
- …
- go through
- have
- hit
- …
- patch of
a small piece of code (= instructions that a computer can understand) which can be added to a computer program to improve it or to correct a fault 修补（程序）；补丁 Follow the instructions below to download and install the patch. 按照下面的说明下载并安装修补程序。 Update and apply all security patches to your browser, as soon as possible. 尽快更新所有安全补丁并将其应用到您的浏览器。
Oxford Collocations Dictionaryadjective- security
- apply
- deploy
- download
- …
small area小块
piece of material小片材料
piece/area of land地块
difficult time艰难时刻
in computing计算机技术
Word Originlate Middle English: perhaps from a variant of Old French pieche, dialect variant of piece ‘piece’.
Idioms
be not a patch on somebody/something
- (informal, especially British English)
to be much less good, attractive, etc. than somebody/something else 远不如；远比…逊色 This book isn’t a patch on her others. 这本书不是她其他书的翻版。 She was no great beauty. Not a patch on Martha. 她不是什么大美人。不是玛莎的补丁。