| I | retract |
|---|---|
| you | retract |
| he/she/it | retracts |
| we | retract |
| you | retract |
| they | retract |
| I | retracted |
|---|---|
| you | retracted |
| he/she/it | retracted |
| we | retracted |
| you | retracted |
| they | retracted |
| I | have | retracted |
|---|---|---|
| you | have | retracted |
| he/she/it | has | retracted |
| we | have | retracted |
| you | have | retracted |
| they | have | retracted |
| I | had | retracted |
|---|---|---|
| you | had | retracted |
| he/she/it | had | retracted |
| we | had | retracted |
| you | had | retracted |
| they | had | retracted |
单语范例（未经PONS编辑处理）
By using a retractable tunnel design, loading bridges may retract and extend varying lengths.
en.wikipedia.org The translator is connected to the generator foundation with springs that retract the translator in the wave troughs.
en.wikipedia.org During this time, they stay in the resting position with their legs retracted under the cephalothorax.
en.wikipedia.org In many bivalves that have siphons, they can be retracted back into the safety of the shell.
en.wikipedia.org If the edict were issued, then it can not be retracted.
en.wikipedia.org