Cool MateDuration 对比 Extent 对比 Length 对比 Period
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
| Duration | Extent | Length | Period | |
|---|---|---|---|---|
| 发音 | 🇬🇧 /["/djuˈreɪʃn/"]/🇺🇸 /["/duˈreɪʃn/"]/ | 🇬🇧 /["/ɪkˈstent/"]/🇺🇸 /["/ɪkˈstent/"]/ | 🇬🇧 /["/leŋkθ/"]/🇺🇸 /["/leŋkθ/"]/ | 🇬🇧 /["/ˈpɪəriəd/"]/🇺🇸 /["/ˈpɪriəd/"]/ |
| 含义 | The length of time something lasts. | The degree or amount of something. | How long something is from one end to another. | A length of time or the end of a sentence. |
| 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. |
| 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 1000（非常常见） |
| CEFR 等级 | B2 | B2 | B1 | A1 |
| 词性 | noun | noun | noun | noun |
| 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 |
| 反义 | moment, instant | limited, minimal, modest | shortness | moment, instant |
| 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. |
| 用法说明 | 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. | Use 'extent' in formal or written contexts when discussing levels or degrees. It's less common in everyday speech. | Use 'length' when discussing size or duration. It's appropriate in both everyday and academic contexts; avoid using in very casual situations. | 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. |
常见问题：Duration 对比 Extent 对比 Length 对比 Period
Duration、Extent、Length和Period 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.
Duration、Extent、Length和Period 的 CEFR 等级相同吗？
在 CEFR 量表上：Duration: B2, Extent: B2, Length: B1, Period: A1。
Duration、Extent、Length和Period 是什么词性？
Duration: noun, Extent: noun, Length: noun, Period: noun.
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.
我可以互换使用 Duration、Extent、Length和Period 吗？
不总是。Duration、Extent、Length和Period 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。