quantum
A quantum is the smallest possible unit of energy or matter that can exist independently. It is also used metaphorically to describe a sudden, large, and significant change or improvement.
例句
3 / 5The new battery technology represents a quantum leap in electric car range.
The new battery technology represents a massive improvement in electric car range.
The researchers observed the energy emitted as a single quantum of light.
The researchers observed the energy released as a single unit of light.
Upgrading to this computer was a quantum jump for my gaming experience.
Upgrading to this computer was a huge improvement for my gaming experience.
词族
记忆技巧
Think of the word 'Quantity'. A 'Quantum' is the smallest specific 'quantity' of energy possible.
快速测验
The discovery of fire was a ______ leap for human history.
正确！
正确答案是： quantum
例句
The new battery technology represents a quantum leap in electric car range.
everydayThe new battery technology represents a massive improvement in electric car range.
The researchers observed the energy emitted as a single quantum of light.
formalThe researchers observed the energy released as a single unit of light.
Upgrading to this computer was a quantum jump for my gaming experience.
informalUpgrading to this computer was a huge improvement for my gaming experience.
Quantum mechanics explains how particles behave at the atomic level.
academicQuantum science explains how tiny particles act at the level of atoms.
The merger with the tech giant was a quantum leap for the small startup.
businessThe merger with the tech giant was a giant step forward for the small company.
词族
常见搭配
常用短语
quantum leap
a sudden and very large improvement
quantum jump
a sudden change from one state to another
quantum state
the specific physical condition of a particle
容易混淆的词
Quantity is a general amount of something, while quantum is the specific smallest unit of energy.
使用说明
In science, use it to describe the smallest unit of energy. In everyday speech, use 'quantum leap' or 'quantum jump' to describe a very big success or improvement.
常见错误
Some learners think 'quantum leap' means a small change because a 'quantum' is tiny, but it actually means a massive breakthrough in English.
记忆技巧
Think of the word 'Quantity'. A 'Quantum' is the smallest specific 'quantity' of energy possible.
词源
Derived from the Latin word 'quantum', which means 'how much'.
语法模式
文化背景
The term is frequently used in pop culture and science fiction to imply futuristic or advanced technology.
快速测验
The discovery of fire was a ______ leap for human history.
正确！
正确答案是： quantum
相关词汇
相关词
to
A1Used to indicate the place, person, or thing that someone or something moves toward. It can also mark the recipient of an action or the limit of a range.
and
A1A primary conjunction used to connect words, phrases, or clauses that are grammatically equal. It indicates addition, a sequence of events, or a relationship between two things.
a
A1A word used before a singular noun that is not specific or is being mentioned for the first time. It is used only before words that begin with a consonant sound to indicate one of something.
that
A1This word is a demonstrative pronoun used to indicate a specific person, object, or idea that is further away in space or time from the speaker. It is also used to refer back to something that has already been mentioned or to introduce a clause that identifies something.
I
A1The pronoun 'I' is used by a speaker or writer to refer to themselves as the subject of a verb. It is the first-person singular subject pronoun in English and is always capitalized regardless of its position in a sentence.
for
A1Used to show who is intended to have or use something, or to explain the purpose or reason for an action. It is also frequently used to indicate a specific duration of time.
not
A1A function word used to express negation or denial. It is primarily used to make a sentence or phrase negative, often following an auxiliary verb or the verb 'to be'.
with
A1A preposition used to indicate that people or things are together, in the same place, or performing an action together. It can also describe the instrument used to perform an action or a characteristic that someone or something has.
he
A1A pronoun used to refer to a male person or animal that has already been mentioned or is easily identified. It functions as the subject of a sentence.
you
A1Used to refer to the person or people that the speaker is addressing. It is the second-person pronoun used for both singular and plural subjects and objects.
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