A1 noun 中性 #2,697 最常用

impulse

/ˈɪmpʌls/

A sudden strong wish or urge to do something without planning or thinking about the results. It can also describe a short electrical signal in the brain or a machine.

例句

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1

I bought this chocolate bar on impulse while waiting in line.

I bought this chocolate bar suddenly without planning while waiting in line.

2

The committee's decision was based on a sudden impulse rather than logic.

The committee's decision was based on a sudden urge rather than logic.

3

I just had a crazy impulse to dye my hair blue!

I just had a sudden, wild wish to dye my hair blue!

词族

名词
impulse
Verb
impel
副词
impulsively
形容词
impulsive
相关
impulsiveness
💡

记忆技巧

Think of 'IM-pulse' as a 'pulse' of energy 'IN' you that pushes you to move or act right now.

快速测验

He didn't mean to shout; he just acted on ______.

正确!

正确答案是: impulse

例句

1

I bought this chocolate bar on impulse while waiting in line.

everyday

I bought this chocolate bar suddenly without planning while waiting in line.

2

The committee's decision was based on a sudden impulse rather than logic.

formal

The committee's decision was based on a sudden urge rather than logic.

3

I just had a crazy impulse to dye my hair blue!

informal

I just had a sudden, wild wish to dye my hair blue!

4

Nerve impulses carry information from the skin to the brain.

academic

Electrical signals from nerves carry information from the skin to the brain.

5

Our marketing strategy focuses on encouraging customer impulse purchases.

business

Our marketing strategy focuses on making customers buy things suddenly.

词族

名词
impulse
Verb
impel
副词
impulsively
形容词
impulsive
相关
impulsiveness

常见搭配

sudden impulse a quick urge
act on impulse to do something without thinking first
resist the impulse to stop yourself from doing something sudden
impulse buy to buy something without planning to
nerve impulse an electrical signal in the body

常用短语

on impulse

doing something without thinking first

follow an impulse

to do what your sudden feeling tells you

blind impulse

an urge followed without any reasoning

容易混淆的词

impulse vs impact

Impact is the effect or physical hit of something, while impulse is an internal urge to act.

impulse vs pulse

Pulse is the regular beat of your heart; impulse is a sudden feeling or signal.

📝

使用说明

Use 'on impulse' when you want to describe an action done without a plan. In science, it is used to describe electrical signals in the nervous system.

⚠️

常见错误

Learners often use 'with impulse' instead of the correct phrase 'on impulse'.

💡

记忆技巧

Think of 'IM-pulse' as a 'pulse' of energy 'IN' you that pushes you to move or act right now.

📖

词源

From the Latin 'impulsus', which means 'a push' or 'a physical pressure'.

语法模式

countable noun (an impulse/impulses) often follows the preposition 'on' followed by 'to' + verb (an impulse to run)
🌍

文化背景

In Western consumer culture, 'impulse buying' is a major concept used by stores to place small items like candy near the cash register.

快速测验

He didn't mean to shout; he just acted on ______.

正确!

正确答案是: impulse

相关词

overcredant

C1

To accord excessive belief or trust to a statement, theory, or individual without sufficient verification. It describes the act of being overly ready to accept something as true, often disregarding critical analysis or conflicting evidence.

overmercery

C1

Relating to an excessive or obsessive focus on trade, commerce, and the buying or selling of goods. It describes a mindset where mercantile interests and the pursuit of commercial profit override social, ethical, or aesthetic considerations.

multihabacy

C1

To maintain a presence or existence across multiple habitats, environments, or distinct social spheres simultaneously. It describes the active process of adapting to and functioning within diverse physical or conceptual spaces.

foretheist

C1

To prefigure or establish a theological framework or belief in a deity before a main religious system becomes dominant. It is often used in academic contexts to describe the historical anticipation of a specific religious shift.

hyperultimness

C1

To reach or push a process, system, or state to its absolute final and most extreme limit of completion or perfection. It involves the deliberate act of maximizing every possible variable to achieve a definitive, ultimate result.

adnegation

C1

Adnegation is a formal term referring to the act of denial or refusal. It is most commonly used in legal, philosophical, or highly formal contexts to describe the rejection of a claim, request, or proposition.

synannous

C1

A botanical term used as a noun to refer to a plant species or specimen in which the leaves and flowers appear at the same time. It describes a specific phenological state where the vegetative and reproductive stages of a plant's annual cycle overlap perfectly.

unsumcide

C1

To intentionally dismantle a summary or total conclusion, often by breaking a consolidated result back down into its original disparate parts. It is typically used in analytical contexts to describe the invalidation or reversal of an aggregated data set.

innascible

C1

Describing something that cannot be born or has no beginning or origin. It is a highly specialized term used primarily in theology and philosophy to refer to uncreated or eternal beings.

nonanthropancy

C1

The state or quality of being non-human or the absence of human involvement, characteristics, and perspectives. It refers to entities, systems, or environments that exist or operate independently of human influence or anthropocentric values.

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