Cool MateAt 对比 Upon
在英语中何时使用每一个，包含含义、语域和例句。
At
高频组块A1preposition
Upon
正式10000 以上（较少见）B1preposition
最正式: Upon最常见: At
| At | Upon | |
|---|---|---|
| 发音 | 🇬🇧 /["/ət//æt/","/æt/"]/🇺🇸 /["/ət//æt/","/æt/"]/ | 🇬🇧 /["/əˈpɒn/"]/🇺🇸 /["/əˈpɑːn/"]/ |
| 含义 | A preposition used to show a point in space or time. | on or at a particular time or place |
| 例句 | She is waiting at the bus stop. | mile upon mile of dusty road |
| 语域 | 中性 | 正式 |
| 常见程度 | 高频组块 | 10000 以上（较少见） |
| CEFR 等级 | A1 | B1 |
| 词性 | preposition | preposition |
| 搭配 | at home, at work, at the station, at night, at a party | upon arrival, upon request, upon reflection, upon hearing, upon completion |
| 反义 | away, out | after, below, underneath |
| 常见错误 | Confused with 'in' when referring to specific locations., Used 'at' when it should be 'on' for days., Incorrectly used 'at' for general areas instead of specific points. | Confused with 'on' in casual speech., Used inappropriately in informal settings., Misunderstood as a preposition that can replace any instance of 'on'. |
| 用法说明 | Use 'at' for specific locations or times. Avoid using it for broad areas (use 'in') or for days (use 'on'). | Used in more formal contexts, often in writing. Not commonly used in everyday spoken English. Avoid in casual conversations. |
常见问题：At 对比 Upon
At和Upon 有什么区别？
At: A preposition used to show a point in space or time. Upon: on or at a particular time or place
哪个更正式：At和Upon？
Upon 是其中最正式的。
哪个更常见：At和Upon？
At 在日常英语中最常见。
哪个更高级：At和Upon？
Upon 级别最高，在 CEFR 量表上为 B1。
At和Upon 的 CEFR 等级相同吗？
在 CEFR 量表上：At: A1, Upon: B1。
At和Upon 是什么词性？
At: preposition, Upon: preposition.
能各给一个例子吗？
At: She is waiting at the bus stop. Upon: mile upon mile of dusty road
我可以互换使用 At和Upon 吗？
不总是。At和Upon 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。