I. ˈjack·knife 名词
1. jackknife (knife):
2. jackknife 体育:
jack·knife ˈdive 名词
| I | jackknife |
|---|---|
| you | jackknife |
| he/she/it | jackknifes |
| we | jackknife |
| you | jackknife |
| they | jackknife |
| I | jackknifed |
|---|---|
| you | jackknifed |
| he/she/it | jackknifed |
| we | jackknifed |
| you | jackknifed |
| they | jackknifed |
| I | have | jackknifed |
|---|---|---|
| you | have | jackknifed |
| he/she/it | has | jackknifed |
| we | have | jackknifed |
| you | have | jackknifed |
| they | have | jackknifed |
| I | had | jackknifed |
|---|---|---|
| you | had | jackknifed |
| he/she/it | had | jackknifed |
| we | had | jackknifed |
| you | had | jackknifed |
| they | had | jackknifed |