http://www.pons.de/produkte/3-12-517841-X/(牛津大学出版社授权产品)
I. sit up 动词 [美 sɪt -, 英 sɪt -] (v + adv)
1. sit up (in upright position):
2. sit up (with straight back):
在《PONS词典》中的词汇
| I | sit up |
|---|---|
| you | sit up |
| he/she/it | sits up |
| we | sit up |
| you | sit up |
| they | sit up |
| I | sat up |
|---|---|
| you | sat up |
| he/she/it | sat up |
| we | sat up |
| you | sat up |
| they | sat up |
| I | have | sat up |
|---|---|---|
| you | have | sat up |
| he/she/it | has | sat up |
| we | have | sat up |
| you | have | sat up |
| they | have | sat up |
| I | had | sat up |
|---|---|---|
| you | had | sat up |
| he/she/it | had | sat up |
| we | had | sat up |
| you | had | sat up |
| they | had | sat up |