在《PONS词典》中的词汇
I. birch <pl -es> [bɜ:tʃ, 美 bɜ:rtʃ] 名词
有关生物学的词语(Klett)
| I | birch |
|---|---|
| you | birch |
| he/she/it | birches |
| we | birch |
| you | birch |
| they | birch |
| I | birched |
|---|---|
| you | birched |
| he/she/it | birched |
| we | birched |
| you | birched |
| they | birched |
| I | have | birched |
|---|---|---|
| you | have | birched |
| he/she/it | has | birched |
| we | have | birched |
| you | have | birched |
| they | have | birched |
| I | had | birched |
|---|---|---|
| you | had | birched |
| he/she/it | had | birched |
| we | had | birched |
| you | had | birched |
| they | had | birched |