在《PONS词典》中的词汇
ˈlearn·ing dif·fi·cul·ties 名词 复数
 
  
 dif·fi·cul·ty [ˈdɪfɪkəlti] 名词
1. difficulty no pl (effort):
2. difficulty no pl (problematic nature):
-  difficulty of a task
-  
3. difficulty (trouble):
I. learn <learned [or 英 a. learnt], learned [or 英 a. learnt]> [lɜ:n, 美 lɜ:rn] 动词 trans
1. learn (acquire knowledge, skill):
II. learn <learned [or 英 a. learnt], learned [or 英 a. learnt]> [lɜ:n, 美 lɜ:rn] 动词 不及物动词
1. learn (master):
| I | learn | 
|---|---|
| you | learn | 
| he/she/it | learns | 
| we | learn | 
| you | learn | 
| they | learn | 
| I | learned / 英 也 learnt | 
|---|---|
| you | learned / 英 也 learnt | 
| he/she/it | learned / 英 也 learnt | 
| we | learned / 英 也 learnt | 
| you | learned / 英 也 learnt | 
| they | learned / 英 也 learnt | 
| I | have | learned / 英 也 learnt | 
|---|---|---|
| you | have | learned / 英 也 learnt | 
| he/she/it | has | learned / 英 也 learnt | 
| we | have | learned / 英 也 learnt | 
| you | have | learned / 英 也 learnt | 
| they | have | learned / 英 也 learnt | 
| I | had | learned / 英 也 learnt | 
|---|---|---|
| you | had | learned / 英 也 learnt | 
| he/she/it | had | learned / 英 也 learnt | 
| we | had | learned / 英 也 learnt | 
| you | had | learned / 英 也 learnt | 
| they | had | learned / 英 也 learnt | 
无例句可用
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