incidance
The frequency or rate at which something occurs, especially something undesirable such as a disease, crime, or social problem. It also refers to the way in which the burden of a tax or the impact of a physical force is distributed.
例句
3 / 5The town has seen a high incidence of seasonal allergies this spring.
The town has experienced a high frequency of seasonal allergies this spring.
Research indicates a direct correlation between poverty and the incidence of chronic respiratory conditions.
Studies show a clear link between poverty and the rate of long-term breathing problems.
We need to analyze the incidence of the new corporate tax on consumer pricing.
We must examine how the new business tax affects the prices paid by customers.
词族
记忆技巧
Think of 'incidence' as 'in-side-rate'. It measures how many cases fall 'inside' a specific group or time frame.
快速测验
The ______ of skin cancer is much higher in regions with high UV exposure.
正确！
正确答案是： incidence
例句
The town has seen a high incidence of seasonal allergies this spring.
everydayThe town has experienced a high frequency of seasonal allergies this spring.
Research indicates a direct correlation between poverty and the incidence of chronic respiratory conditions.
academicStudies show a clear link between poverty and the rate of long-term breathing problems.
We need to analyze the incidence of the new corporate tax on consumer pricing.
businessWe must examine how the new business tax affects the prices paid by customers.
The government is implementing measures to reduce the incidence of violent crime in urban areas.
formalThe state is taking steps to lower the frequency of violent offenses in cities.
I've noticed a higher incidence of bugs in the software since the last update.
informalI have seen more frequent glitches in the program after the recent update.
词族
常见搭配
常用短语
angle of incidence
the specific angle at which light or an object strikes a plane
incidence of tax
the final resting place of a tax burden
cumulative incidence
the proportion of a population that experiences an event over a period
容易混淆的词
An 'incident' is a specific event or occurrence, whereas 'incidence' is the rate or frequency of such events.
An 'instance' is a single example or case of something, while 'incidence' refers to the statistical frequency.
使用说明
Incidence is most commonly used in technical, medical, or formal contexts to describe how often something bad happens. It is a mass noun and usually does not have a plural form when referring to frequency.
常见错误
Learners often use the plural 'incidences' when they should use 'incidents' for specific events, or they confuse it with 'incidence' as a verb (it is almost exclusively a noun). Note that the spelling is '-ence', not '-ance'.
记忆技巧
Think of 'incidence' as 'in-side-rate'. It measures how many cases fall 'inside' a specific group or time frame.
词源
From the Latin 'incidentia', from the verb 'incidere', meaning 'to fall upon' (in- 'upon' + cadere 'to fall').
语法模式
文化背景
In public health policy, 'incidence' is a key metric used to determine the success of vaccination programs or safety regulations.
快速测验
The ______ of skin cancer is much higher in regions with high UV exposure.
正确！
正确答案是： incidence
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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