http://www.pons.de/produkte/3-12-517841-X/(牛津大学出版社授权产品)
 
  
 I. alter [美 ˈɔltər, 英 ˈɔːltə, ˈɒltə] 动词 trans
1. alter:
 
  
 -  
-  altering
在《PONS词典》中的词汇
 
  
  
  
 I. alter [ˈɔl·tər] 动词 trans
| I | alter | 
|---|---|
| you | alter | 
| he/she/it | alters | 
| we | alter | 
| you | alter | 
| they | alter | 
| I | altered | 
|---|---|
| you | altered | 
| he/she/it | altered | 
| we | altered | 
| you | altered | 
| they | altered | 
| I | have | altered | 
|---|---|---|
| you | have | altered | 
| he/she/it | has | altered | 
| we | have | altered | 
| you | have | altered | 
| they | have | altered | 
| I | had | altered | 
|---|---|---|
| you | had | altered | 
| he/she/it | had | altered | 
| we | had | altered | 
| you | had | altered | 
| they | had | altered | 
