vacuum
A vacuum is a household machine used to clean floors and carpets by sucking up dirt and dust. It can also refer to a space that contains no air or matter.
例句
3 / 5I need to use the vacuum to clean the living room carpet.
I need to use the vacuum to clean the living room carpet.
The laboratory maintains a strict vacuum inside the testing chamber.
The laboratory maintains a strict vacuum inside the testing chamber.
Can you grab the vacuum? I dropped some crumbs.
Can you grab the vacuum? I dropped some crumbs.
词族
记忆技巧
Remember that 'vacuum' is unique because it has two 'u's—think of them as two suction tubes side-by-side!
快速测验
The carpet is very dusty; please use the ___ to clean it.
正确!
正确答案是: vacuum
例句
I need to use the vacuum to clean the living room carpet.
everydayI need to use the vacuum to clean the living room carpet.
The laboratory maintains a strict vacuum inside the testing chamber.
formalThe laboratory maintains a strict vacuum inside the testing chamber.
Can you grab the vacuum? I dropped some crumbs.
informalCan you grab the vacuum? I dropped some crumbs.
Sound cannot travel through a vacuum because there are no particles to carry it.
academicSound cannot travel through a vacuum because there are no particles to carry it.
Our cleaning service provides their own industrial-grade vacuum.
businessOur cleaning service provides their own industrial-grade vacuum.
词族
常见搭配
常用短语
vacuum up
to suck something up using a vacuum
power vacuum
a situation where no one has control
in a vacuum
isolated from outside influences
容易混淆的词
Vacant is an adjective meaning empty or available (like a room), whereas vacuum is a noun for a machine or empty space.
使用说明
In common household contexts, 'vacuum' almost always refers to the cleaning tool. In scientific contexts, it refers to the absence of air.
常见错误
The most common mistake is spelling the word with two 'c's (vacuum) instead of one 'c' and two 'u's (vacuum).
记忆技巧
Remember that 'vacuum' is unique because it has two 'u's—think of them as two suction tubes side-by-side!
词源
Derived from the Latin word 'vacuus', which means 'empty'.
语法模式
文化背景
In British English, people often use the brand name 'Hoover' as a generic term for a vacuum cleaner and as a verb ('to hoover').
快速测验
The carpet is very dusty; please use the ___ to clean it.
正确!
正确答案是: vacuum
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