Cool MateDuration 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
Span
前 2000（常见）C1verb
| Duration | Span | |
|---|---|---|
| 发音 | 🇬🇧 /["/djuˈreɪʃn/"]/🇺🇸 /["/duˈreɪʃn/"]/ | 🇬🇧 /["/spæn/","/spænz/","/spænd/","/ˈspænɪŋ/"]/🇺🇸 /["/spæn/","/spænz/","/spænd/","/ˈspænɪŋ/"]/ |
| 含义 | The length of time something lasts. | To stretch across or cover an area. |
| 例句 | The school was used as a hospital for the duration of the war. | His acting career spanned 55 years. |
| 语域 | 中性 | 中性 |
| 常见程度 | 前 2000（常见） | 前 2000（常见） |
| CEFR 等级 | B2 | C1 |
| 词性 | noun | verb |
| 搭配 | brief, short, limited, decrease, reduce, shorten, for the duration (of), of… duration, throughout the duration of | span a distance, span a period of time, span generations, span across, span the globe |
| 反义 | 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. | 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 | 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 'span' to describe distance, duration, or extent. More common in technical or descriptive contexts. Avoid in very casual conversation. |
常见问题：Duration 对比 Span
Duration和Span 有什么区别？
Duration: The length of time something lasts. Span: To stretch across or cover an area.
Duration和Span 的 CEFR 等级相同吗？
在 CEFR 量表上：Duration: B2, Span: C1。
我可以互换使用 Duration和Span 吗？
不总是。Duration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。