在《PONS词典》中的词汇
main·tain [meɪnˈteɪn] 动词 trans
1. maintain (keep):
2. maintain (in good condition):
4. maintain (claim):
maintain 动词
- to righteously maintain that ...
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- to maintain one's objectivity
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有关银行业、金融业和保险业的词语(PONS)
maintain 动词 trans FIRMSTRUKT
- maintain (Filiale)
-
-
- maintain
有关地理学的词语(Klett)
maintain [meɪnˈteɪn] 动词
- maintain
-
- maintain
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有关生物学的词语(Klett)
maintain 动词
- maintain
-
maintain a characteristic
- maintain a characteristic
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有关交通运输业的词语(PONS)
有关冷却技术的词语(GEA)
| I | maintain |
|---|---|
| you | maintain |
| he/she/it | maintains |
| we | maintain |
| you | maintain |
| they | maintain |
| I | maintained |
|---|---|
| you | maintained |
| he/she/it | maintained |
| we | maintained |
| you | maintained |
| they | maintained |
| I | have | maintained |
|---|---|---|
| you | have | maintained |
| he/she/it | has | maintained |
| we | have | maintained |
| you | have | maintained |
| they | have | maintained |
| I | had | maintained |
|---|---|---|
| you | had | maintained |
| he/she/it | had | maintained |
| we | had | maintained |
| you | had | maintained |
| they | had | maintained |