| I | trace back |
|---|---|
| you | trace back |
| he/she/it | traces back |
| we | trace back |
| you | trace back |
| they | trace back |
| I | traced back |
|---|---|
| you | traced back |
| he/she/it | traced back |
| we | traced back |
| you | traced back |
| they | traced back |
| I | have | traced back |
|---|---|---|
| you | have | traced back |
| he/she/it | has | traced back |
| we | have | traced back |
| you | have | traced back |
| they | have | traced back |
| I | had | traced back |
|---|---|---|
| you | had | traced back |
| he/she/it | had | traced back |
| we | had | traced back |
| you | had | traced back |
| they | had | traced back |
浏览词典
- toy soldier
- toytown
- TP
- TPN
- TPU
- trace back
- trace element
- trace level
- trace of blood
- trace out
- tracer