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 occur <现在分词 occurring; pt, past part occurred> [美 əˈkər, 英 əˈkəː] 动词 不及物动词
1.1. occur (take place) 书:
1.2. occur (appear, be found):
2. occur (come to mind):
-  sporadically occur/visit
-  
 
  
 在《PONS词典》中的词汇
 
  
 occur [əˈkɜ:ʳ, 美 -ˈkɜ:r] 动词 不及物动词 -rr-
1. occur (happen):
2. occur (exist):
 
  
 occur <-rr-> [ə·ˈkɜr] 动词 不及物动词
1. occur (happen):
2. occur (exist):
| I | occur | 
|---|---|
| you | occur | 
| he/she/it | occurs | 
| we | occur | 
| you | occur | 
| they | occur | 
| I | occurred | 
|---|---|
| you | occurred | 
| he/she/it | occurred | 
| we | occurred | 
| you | occurred | 
| they | occurred | 
| I | have | occurred | 
|---|---|---|
| you | have | occurred | 
| he/she/it | has | occurred | 
| we | have | occurred | 
| you | have | occurred | 
| they | have | occurred | 
| I | had | occurred | 
|---|---|---|
| you | had | occurred | 
| he/she/it | had | occurred | 
| we | had | occurred | 
| you | had | occurred | 
| they | had | occurred | 
