http://www.pons.de/produkte/3-12-517841-X/(牛津大学出版社授权产品)
在《PONS词典》中的词汇
| I | crumble |
|---|---|
| you | crumble |
| he/she/it | crumbles |
| we | crumble |
| you | crumble |
| they | crumble |
| I | crumbled |
|---|---|
| you | crumbled |
| he/she/it | crumbled |
| we | crumbled |
| you | crumbled |
| they | crumbled |
| I | have | crumbled |
|---|---|---|
| you | have | crumbled |
| he/she/it | has | crumbled |
| we | have | crumbled |
| you | have | crumbled |
| they | have | crumbled |
| I | had | crumbled |
|---|---|---|
| you | had | crumbled |
| he/she/it | had | crumbled |
| we | had | crumbled |
| you | had | crumbled |
| they | had | crumbled |