http://www.pons.de/produkte/3-12-517841-X/(牛津大学出版社授权产品)
I. surf [美 sərf, 英 səːf] 名词 U
I. couch [美 kaʊtʃ, 英 kaʊtʃ] 名词
在《PONS词典》中的词汇
| I | surf |
|---|---|
| you | surf |
| he/she/it | surfs |
| we | surf |
| you | surf |
| they | surf |
| I | surfed |
|---|---|
| you | surfed |
| he/she/it | surfed |
| we | surfed |
| you | surfed |
| they | surfed |
| I | have | surfed |
|---|---|---|
| you | have | surfed |
| he/she/it | has | surfed |
| we | have | surfed |
| you | have | surfed |
| they | have | surfed |
| I | had | surfed |
|---|---|---|
| you | had | surfed |
| he/she/it | had | surfed |
| we | had | surfed |
| you | had | surfed |
| they | had | surfed |