在《PONS词典》中的词汇
sharp·en [ˈʃɑ:pən, 美 ˈʃɑ:rp-] 动词 trans
1. sharpen (make sharp):
2. sharpen (intensify):
3. sharpen (make more distinct):
4. sharpen (improve):
I. sharpen up 动词 trans
1. sharpen up (improve):
| I | sharpen | |
|---|---|---|
| you | sharpen | |
| he/she/it | sharpens | |
| we | sharpen | |
| you | sharpen | |
| they | sharpen |
| I | sharpened | |
|---|---|---|
| you | sharpened | |
| he/she/it | sharpened | |
| we | sharpened | |
| you | sharpened | |
| they | sharpened |
| I | have | sharpened | |
|---|---|---|---|
| you | have | sharpened | |
| he/she/it | has | sharpened | |
| we | have | sharpened | |
| you | have | sharpened | |
| they | have | sharpened |
| I | had | sharpened | |
|---|---|---|---|
| you | had | sharpened | |
| he/she/it | had | sharpened | |
| we | had | sharpened | |
| you | had | sharpened | |
| they | had | sharpened |
无例句可用
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