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 [meɪnˈteɪn] 动词
maintain 动词 trans FIRMSTRUKT
maintain a characteristic
| 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 |
无例句可用
请尝试其他词条。