Cool MateDuration 对比 Extent 对比 Period 对比 Span
在英语中何时使用每一个，包含含义、语域和例句。
Duration
前 2000（常见）B2noun
Extent
前 2000（常见）B2noun
Period
前 1000（非常常见）A1noun
Span
前 2000（常见）C1verb
最常见: Period
| Duration | Extent | Period | Span | |
|---|---|---|---|---|
| 发音 | 🇬🇧 /["/djuˈreɪʃn/"]/🇺🇸 /["/duˈreɪʃn/"]/ | 🇬🇧 /["/ɪkˈstent/"]/🇺🇸 /["/ɪkˈstent/"]/ | 🇬🇧 /["/ˈpɪəriəd/"]/🇺🇸 /["/ˈpɪriəd/"]/ | 🇬🇧 /["/spæn/","/spænz/","/spænd/","/ˈspænɪŋ/"]/🇺🇸 /["/spæn/","/spænz/","/spænd/","/ˈspænɪŋ/"]/ |
| 含义 | 某事持续的时间长度。The length of time something lasts. | 某事物的程度或数量。The degree or amount of something. | 一段时间或句子的结束。A length of time or the end of a sentence. | 延伸或覆盖一个区域。To stretch across or cover an area. |
| 例句 | The school was used as a hospital for the duration of the war. | The extent of the damage was greater than we initially thought. | We have a period for math today. | His acting career spanned 55 years. |
| 语域 | 中性 | 中性 | 中性 | 中性 |
| 常见程度 | 前 2000（常见） | 前 2000（常见） | 前 1000（非常常见） | 前 2000（常见） |
| CEFR 等级 | B2 | B2 | A1 | C1 |
| 词性 | noun | noun | noun | verb |
| 搭配 | brief, short, limited, decrease, reduce, shorten, for the duration (of), of… duration, throughout the duration of | full, greatest, maximum, reach, see, consider, in extent, to an extent, to a…extent, at something’s greatest extent, to a considerable extent, to a great extent, full, greatest, maximum, reach, see, consider, in extent, to an extent, to a…extent, at something’s greatest extent, to a considerable extent, to a great extent | extended, lengthy, long, cover, span, begin, begin, commence, elapse, costume, furniture, after a period, during the period, throughout the period, the beginning of a period, the start of a period, the end of a period, extended, lengthy, long, cover, span, begin, begin, commence, elapse, costume, furniture, after a period, during the period, throughout the period, the beginning of a period, the start of a period, the end of a period, extended, lengthy, long, cover, span, begin, begin, commence, elapse, costume, furniture, after a period, during the period, throughout the period, the beginning of a period, the start of a period, the end of a period, heavy, light, menstrual, have, start, miss, start, stop, last, cramps, pains | span a distance, span a period of time, span generations, span across, span the globe |
| 反义 | moment, instant | limited, minimal, modest | moment, instant | contract, recede, shorten |
| 常见错误 | Confused with 'session', which refers to a specific meeting or period of activity., Using it incorrectly as a verb, e.g., 'to duration something.', Mixing it up with 'interval,' which refers to a break or pause rather than the length. | Using 'extent' as a verb rather than a noun., Confusing 'extent' with 'extent of' when referring to limits or boundaries., Overusing 'extent' when a simpler term like 'amount' would be clearer. | Confused with 'time period' as if it's one single word., Using 'period' instead of 'dot' when referring to a punctuation mark in some regions. | Confused with 'spend' in terms of time context., Used incorrectly in passive voice; 'spanned' should be used when something is already in the past., Misused in context; often used incorrectly as a synonym for 'cover' or 'contain'. |
| 用法说明 | 在正式和非正式场合都常用。指时间段，比如电影的时长或活动的持续时间。避免在非常随意的对话中使用。Commonly used in both formal and informal contexts. Refers to time periods, such as how long a movie is or how long an event lasts. Avoid using it in very casual conversations. | 在正式或书面语境中使用'程度'来讨论水平或程度。在日常口语中不太常见。Use 'extent' in formal or written contexts when discussing levels or degrees. It's less common in everyday speech. | 在讨论时间段或写作时表示句子结束时使用'时期'。在非常非正式的场合或讨论不太标准的用法（如'月经期'）时，除非相关，否则应避免使用。Use 'period' when discussing time frames or in writing to indicate the end of a sentence. Avoid in very informal contexts or when discussing less standard uses like 'menstrual period' unless relevant. | 用'span'来描述距离、持续时间或范围。在技术性或描述性语境中更常见。避免在非常随意的对话中使用。Use 'span' to describe distance, duration, or extent. More common in technical or descriptive contexts. Avoid in very casual conversation. |
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常见问题：Duration 对比 Extent 对比 Period 对比 Span
Duration、Extent、Period和Span 有什么区别？
Duration: The length of time something lasts. Extent: The degree or amount of something. Period: A length of time or the end of a sentence. Span: To stretch across or cover an area.
哪个更常见：Duration、Extent、Period和Span？
Period 在日常英语中最常见。
哪个更高级：Duration、Extent、Period和Span？
Span 级别最高，在 CEFR 量表上为 C1。
Duration、Extent、Period和Span 的 CEFR 等级相同吗？
在 CEFR 量表上：Duration: B2, Extent: B2, Period: A1, Span: C1。
Duration、Extent、Period和Span 是什么词性？
Duration: noun, Extent: noun, Period: noun, Span: verb.
能各给一个例子吗？
Duration: The school was used as a hospital for the duration of the war. Extent: The extent of the damage was greater than we initially thought. Period: We have a period for math today. Span: His acting career spanned 55 years.
我可以互换使用 Duration、Extent、Period和Span 吗？
不总是。Duration、Extent、Period和Span 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。