cache
cache — noun
1. a collection of valuable or dangerous things — for example weapons, drugs, food,
a collection of valuable or dangerous things — for example weapons, drugs, food, or money — that someone has put in a secret place so others cannot find it; also the place itself.
Police found a cache of stolen jewellery under the floorboards of Marcus's flat.
a cache of + noun (illegal goods)
The old farmer kept a small cache of silver coins buried beneath the apple tree.
cache of + valuables
Soldiers discovered a weapons cache hidden inside a cave near the border.
Detectives uncovered a cache of forged passports in a locker at the train station.
Two hikers stumbled upon a cache of food and matches left by an earlier expedition.
文法句型
a cache of + noun
cache of weapons / drugs / coins
用法筆記
Subject of the verb is usually a person who searches or uncovers (police, soldiers, hikers); the cache itself is the object being found, hidden, or buried. Often modified by what is stored: 'arms cache', 'food cache', 'cache of letters'.
常見錯誤
2. a small, fast section of computer memory that holds copies of files or data the
a small, fast section of computer memory that holds copies of files or data the machine has just used, so the same files can be opened again much faster than reading them from the disk or the internet.
If a webpage loads strangely, try clearing your browser cache and refreshing the tab.
collocation: clear the cache
Maya emptied the app cache on her phone to free up nearly two gigabytes of space.
compound: app cache
Maya's new laptop has a 32-megabyte cache that keeps frequently used data right next to the CPU.
The video kept stopping because the cache on the old laptop was too small.
Our team added a second cache layer to make the website respond more quickly during sales.
- buffer
temporary storage that smooths data flow, often for streams
- cache memory
more technical full term used in hardware contexts
文法句型
clear the cache
browser cache
cache memory
用法筆記
Often appears in compounds: 'browser cache', 'app cache', 'cache memory', 'cache server'. Common verbs are 'clear', 'empty', 'flush', 'check', and 'update'. Distinguish from sense 1: this sense never refers to physical objects.
常見錯誤
cache — verb
1. to put valuable, dangerous, or useful things in a secret or safe spot so that th
to put valuable, dangerous, or useful things in a secret or safe spot so that they stay out of sight until they are needed again.
The smugglers cached the diamonds inside a hollow tree near the river bend.
cache + object + in/inside + place
Sailors used to cache fresh water on small islands so later ships could survive the trip.
cache + supplies (for future use)
Carlos cached a spare house key under a loose brick by the back gate.
Grandfather cached tins of rice and dried fish in the attic during the long war.
Rebels had cached rifles in barns across three villages long before the raid began.
文法句型
cache + object
cache something in/under/behind + place
用法筆記
Almost always transitive and usually paired with a place phrase ('in a cave', 'under the floor', 'inside a wall'). Subjects are typically people or animals doing the hiding, not the goods themselves. Less common in everyday speech than 'hide' or 'stash'.
常見錯誤
2. (of a computer or program) to copy data into a small fast memory area so that th
(of a computer or program) to copy data into a small fast memory area so that the same data can be loaded again much more quickly the next time someone asks for it.
The browser caches images from this site so the homepage loads instantly on your second visit.
cache + object (data) + so-clause
Our app caches the user's recent searches locally to save mobile data.
cache + locally (adverb)
Carlos asked the engineers to make sure the bank's login page is never cached by the proxy server.
The video player caches a few seconds ahead so the picture does not freeze on slow networks.
If the product photo is already cached, our shop website shows it without asking the database again.
文法句型
cache + data/file/page
cache locally / on the server
用法筆記
Subject is usually a piece of software (browser, app, server, processor), not a human user. Common adverbs: 'locally', 'temporarily', 'aggressively'. The intransitive use is rare and almost always tied to a passive form like 'this page caches well'.