http://www.pons.de/produkte/3-12-517841-X/(牛津大学出版社授权产品)
 
 heightening [ˈhʌɪtnɪŋ] 名词 无复数
-  heightening
 -  aumento m
 
I. heighten [美 ˈhaɪtn, 英 ˈhʌɪt(ə)n] 动词 trans
1. heighten (intensify):
2. heighten <heightened, past part >:
 
 在《PONS词典》中的词汇
 
 
 
 | I | heighten | 
|---|---|
| you | heighten | 
| he/she/it | heightens | 
| we | heighten | 
| you | heighten | 
| they | heighten | 
| I | heightened | 
|---|---|
| you | heightened | 
| he/she/it | heightened | 
| we | heightened | 
| you | heightened | 
| they | heightened | 
| I | have | heightened | 
|---|---|---|
| you | have | heightened | 
| he/she/it | has | heightened | 
| we | have | heightened | 
| you | have | heightened | 
| they | have | heightened | 
| I | had | heightened | 
|---|---|---|
| you | had | heightened | 
| he/she/it | had | heightened | 
| we | had | heightened | 
| you | had | heightened | 
| they | had | heightened |