ˈspeed-up 名词 no pl
1. speed-up (rate):
3. speed-up esp 美 经济:
I. speed up 动词 trans
| I | speed up |
|---|---|
| you | speed up |
| he/she/it | speeds up |
| we | speed up |
| you | speed up |
| they | speed up |
| I | sped up / speeded up |
|---|---|
| you | sped up / speeded up |
| he/she/it | sped up / speeded up |
| we | sped up / speeded up |
| you | sped up / speeded up |
| they | sped up / speeded up |
| I | have | sped up / speeded up |
|---|---|---|
| you | have | sped up / speeded up |
| he/she/it | has | sped up / speeded up |
| we | have | sped up / speeded up |
| you | have | sped up / speeded up |
| they | have | sped up / speeded up |
| I | had | sped up / speeded up |
|---|---|---|
| you | had | sped up / speeded up |
| he/she/it | had | sped up / speeded up |
| we | had | sped up / speeded up |
| you | had | sped up / speeded up |
| they | had | sped up / speeded up |