在《PONS词典》中的词汇
I. guard [gɑ:d, 美 gɑ:rd] 名词
1. guard:
2. guard (defensive stance):
3. guard (protective device):
4. guard 英 (railway official):
II. guard [gɑ:d, 美 gɑ:rd] 动词 trans
1. guard (keep watch):
I. rail3 [reɪl] 名词
1. rail no pl (transport system):
2. rail (railway track):
3. rail:
4. rail (to hang things on):
5. rail (at racecourse):
rail 名词
有关交通运输业的词语(PONS)
guard rail, guard-rail VSICH
pedestrian guard rail INFRASTR
| I | guard | 
|---|---|
| you | guard | 
| he/she/it | guards | 
| we | guard | 
| you | guard | 
| they | guard | 
| I | guarded | 
|---|---|
| you | guarded | 
| he/she/it | guarded | 
| we | guarded | 
| you | guarded | 
| they | guarded | 
| I | have | guarded | 
|---|---|---|
| you | have | guarded | 
| he/she/it | has | guarded | 
| we | have | guarded | 
| you | have | guarded | 
| they | have | guarded | 
| I | had | guarded | 
|---|---|---|
| you | had | guarded | 
| he/she/it | had | guarded | 
| we | had | guarded | 
| you | had | guarded | 
| they | had | guarded | 
无例句可用
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