在《PONS词典》中的词汇
I. work·er [ˈwɜ:kəʳ, 美 ˈwɜ:rkɚ] 名词
1. worker (not executive):
3. worker (insect):
I. re·search 名词 [rɪˈsɜ:tʃ, 美 ˈri:sɜ:rtʃ]
1. research no pl (study):
2. research no pl (study of):
3. research (studies):
II. re·search 名词 [rɪˈsɜ:tʃ, 美 ˈri:sɜ:rtʃ] modifier
research (centre, programme, project, unit, work):
III. re·search 动词 不及物动词 [rɪˈsɜ:tʃ, 美 -ˈsɜ:rtʃ]
-  
-  etw erforschen [o. untersuchen]
IV. re·search 动词 trans [rɪˈsɜ:tʃ, 美 -ˈsɜ:rtʃ]
1. research 科:
-  
-  etw erforschen
2. research JOURN:
-  
-  etw recherchieren
| I | research | 
|---|---|
| you | research | 
| he/she/it | researches | 
| we | research | 
| you | research | 
| they | research | 
| I | researched | 
|---|---|
| you | researched | 
| he/she/it | researched | 
| we | researched | 
| you | researched | 
| they | researched | 
| I | have | researched | 
|---|---|---|
| you | have | researched | 
| he/she/it | has | researched | 
| we | have | researched | 
| you | have | researched | 
| they | have | researched | 
| I | had | researched | 
|---|---|---|
| you | had | researched | 
| he/she/it | had | researched | 
| we | had | researched | 
| you | had | researched | 
| they | had | researched | 
无例句可用
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