Cool MateFrequency 对比 Incidence 对比 Prevalence 对比 Rate
在英语中何时使用每一个，包含含义、语域和例句。
Frequency
前 2000（常见）B2noun
Incidence
前 3000（常见）C1noun
Prevalence
正式10000 以上（较少见）C1noun
Rate
前 1000（非常常见）A2noun
最正式: Prevalence最常见: Rate
| Frequency | Incidence | Prevalence | Rate | |
|---|---|---|---|---|
| 发音 | 🇬🇧 /["/ˈfriːkwənsi/"]/🇺🇸 /["/ˈfriːkwənsi/"]/ | 🇬🇧 /["/ˈɪnsɪdəns/"]/🇺🇸 /["/ˈɪnsɪdəns/"]/ | 🇬🇧 /["/ˈprevələns/"]/🇺🇸 /["/ˈprevələns/"]/ | 🇬🇧 /["/reɪt/"]/🇺🇸 /["/reɪt/"]/ |
| 含义 | How often something happens. | The occurrence of something, especially something bad. | How common something is. | How much something is valued or measured. |
| 例句 | The frequency of the class meetings has increased this semester. | an area with a **high incidence** of crime | an increase in the prevalence of obesity in many countries | The teacher gave each student a rate based on their performance in class. |
| 语域 | 中性 | 中性 | 正式 | 中性 |
| 常见程度 | 前 2000（常见） | 前 3000（常见） | 10000 以上（较少见） | 前 1000（非常常见） |
| CEFR 等级 | B2 | C1 | C1 | A2 |
| 词性 | noun | noun | noun | noun |
| 搭配 | great, increased, increasing, decrease in, increase in, decrease, with frequency, great, increased, increasing, decrease in, increase in, decrease, with frequency, high, low, microwave, range, spectrum, band, high, low, microwave, range, spectrum, band | great, high, peak, have, show, increase, increase, decrease, fall, rate, incidence among, incidence in, a decrease in the incidence of something, an increase in the incidence of something, a variation in the incidence of something | high prevalence, low prevalence, prevalence rate, increased prevalence, prevalence of disease | constant, expected, regular, accelerate, improve, increase, be up, go up, shoot up, at a/the rate, rate of, rate per, constant, expected, regular, accelerate, improve, increase, be up, go up, shoot up, at a/the rate, rate of, rate per, cheap, competitive, low, determine, fix, peg, climb, go up, increase, at a/the rate, rate for, rate of, a drop in rates, a rise in rates, a rate of return, cheap, competitive, low, determine, fix, peg, climb, go up, increase, at a/the rate, rate for, rate of, a drop in rates, a rise in rates, a rate of return |
| 反义 | infrequency, rarity | nonoccurrence, absence | rarity, uncommonness | disrate, devalue |
| 常见错误 | Confusing 'frequency' with 'frequence'., Using 'frequencies' incorrectly in singular contexts., Misplacing the term in sentences regarding time intervals. | Confused with 'incident', which refers to a specific event., Used inappropriately in informal contexts., Incorrect pluralization, saying 'incidences' instead of 'incidents' when referring to events. | Confused with 'prevalent' which is an adjective., Omitting the context when discussing the prevalence (e.g., 'the prevalence of diseases')., Using it in informal speech where simpler terms like 'common' might be better. | Confused with 'rate' vs 'rate of' - 'rate of' implies a measurement over time., Using 'rated' when 'rate' is required - 'I rate this movie' not 'I rated this movie for now.', Mixing up with 'ratio' - 'rate' refers to the value assessment. |
| 用法说明 | Use 'frequency' when discussing how often events occur. Suitable for academic or technical contexts; avoid in very casual conversations. | Commonly used in scientific, medical, and statistical contexts. Avoid casual conversations, as it may sound overly technical. Appropriate when discussing rates or frequencies of events. | Use 'prevalence' in formal contexts like academic writing or reports. Avoid in casual conversation. It implies a statistical or measured occurrence. | Used in both formal and informal contexts. Appropriate for discussing evaluations, scores, and comparisons. Avoid using it in contexts that require more emotional nuance. |
常见问题：Frequency 对比 Incidence 对比 Prevalence 对比 Rate
Frequency、Incidence、Prevalence和Rate 有什么区别？
Frequency: How often something happens. Incidence: The occurrence of something, especially something bad. Prevalence: How common something is. Rate: How much something is valued or measured.
哪个更正式：Frequency、Incidence、Prevalence和Rate？
Prevalence 是其中最正式的。
哪个更常见：Frequency、Incidence、Prevalence和Rate？
Rate 在日常英语中最常见。
Frequency、Incidence、Prevalence和Rate 的 CEFR 等级相同吗？
在 CEFR 量表上：Frequency: B2, Incidence: C1, Prevalence: C1, Rate: A2。
Frequency、Incidence、Prevalence和Rate 是什么词性？
Frequency: noun, Incidence: noun, Prevalence: noun, Rate: noun.
能各给一个例子吗？
Frequency: The frequency of the class meetings has increased this semester. Incidence: an area with a **high incidence** of crime Prevalence: an increase in the prevalence of obesity in many countries Rate: The teacher gave each student a rate based on their performance in class.
我可以互换使用 Frequency、Incidence、Prevalence和Rate 吗？
不总是。Frequency、Incidence、Prevalence和Rate 相关，有时可以互换，但在语域、常见程度和用法上不同，所以换用可能改变意思或语气。替换前先看看上面的区别。