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 I. crack up 动词 [美 kræk -, 英 krak -] (v + adv)
在《PONS词典》中的词汇
crack up 动词 不及物动词 (laugh)
| I | crack up | 
|---|---|
| you | crack up | 
| he/she/it | cracks up | 
| we | crack up | 
| you | crack up | 
| they | crack up | 
| I | cracked up | 
|---|---|
| you | cracked up | 
| he/she/it | cracked up | 
| we | cracked up | 
| you | cracked up | 
| they | cracked up | 
| I | have | cracked up | 
|---|---|---|
| you | have | cracked up | 
| he/she/it | has | cracked up | 
| we | have | cracked up | 
| you | have | cracked up | 
| they | have | cracked up | 
| I | had | cracked up | 
|---|---|---|
| you | had | cracked up | 
| he/she/it | had | cracked up | 
| we | had | cracked up | 
| you | had | cracked up | 
| they | had | cracked up | 
无例句可用
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