Cool MateDuration 对比 Extent 对比 Length 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
Length
前 1000（非常常见）B1noun
Period
前 1000（非常常见）A1noun
Span
前 2000（常见）C1verb
| Duration | Extent | Length | Period | Span | |
|---|---|---|---|---|---|
| 发音 | 🇬🇧 /["/djuˈreɪʃn/"]/🇺🇸 /["/duˈreɪʃn/"]/ | 🇬🇧 /["/ɪkˈstent/"]/🇺🇸 /["/ɪkˈstent/"]/ | 🇬🇧 /["/leŋkθ/"]/🇺🇸 /["/leŋkθ/"]/ | 🇬🇧 /["/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. | 某物从一端到另一端有多长。How long something is from one end to another. | 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. | The length of the table is about two meters. | We have a period for math today. | His acting career spanned 55 years. |
| 语域 | 中性 | 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 1000（非常常见） | 前 2000（常见） |
| CEFR 等级 | B2 | B2 | B1 | A1 | C1 |
| 词性 | noun | 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 | entire, full, maximum, estimate, measure, have, along the length of, in length, at arm’s length, double, twice, three times, half, etc. the length of something, considerable, great, inordinate, cut, reduce, shorten, increase, decrease, at length, in length, length of time, do, swim | 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 | shortness | 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 'height' or 'width'., Incorrectly using as a verb., Using 'length' to describe time without context. | 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. | 在讨论大小或持续时间时使用'长度'。在日常和学术场合都合适；在非常随意的场合避免使用。Use 'length' when discussing size or duration. It's appropriate in both everyday and academic contexts; avoid using in very casual situations. | 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 Length 对比 Period 对比 Span
Duration、Extent、Length、Period和Span 有什么区别？
Duration: The length of time something lasts. Extent: The degree or amount of something. Length: How long something is from one end to another. Period: A length of time or the end of a sentence. Span: To stretch across or cover an area.
哪个更高级：Duration、Extent、Length、Period和Span？
Span 级别最高，在 CEFR 量表上为 C1。
Duration、Extent、Length、Period和Span 的 CEFR 等级相同吗？
在 CEFR 量表上：Duration: B2, Extent: B2, Length: B1, Period: A1, Span: C1。
Duration、Extent、Length、Period和Span 是什么词性？
Duration: noun, Extent: noun, Length: 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. Length: The length of the table is about two meters. Period: We have a period for math today. Span: His acting career spanned 55 years.
我可以互换使用 Duration、Extent、Length、Period和Span 吗？
不总是。Duration、Extent、Length、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。