http://www.pons.de/produkte/3-12-517841-X/（牛津大学出版社授权产品）
英语
西班牙语
I. gravel [美 ˈɡrævəl, 英 ˈɡrav(ə)l] 名词 U
在《PONS词典》中的词汇
英语
西班牙语
在《PONS词典》中的词汇
| I | gravel |
|---|---|
| you | gravel |
| he/she/it | gravels |
| we | gravel |
| you | gravel |
| they | gravel |
| I | gravelled / 美 graveled |
|---|---|
| you | gravelled / 美 graveled |
| he/she/it | gravelled / 美 graveled |
| we | gravelled / 美 graveled |
| you | gravelled / 美 graveled |
| they | gravelled / 美 graveled |
| I | have | gravelled / 美 graveled |
|---|---|---|
| you | have | gravelled / 美 graveled |
| he/she/it | has | gravelled / 美 graveled |
| we | have | gravelled / 美 graveled |
| you | have | gravelled / 美 graveled |
| they | have | gravelled / 美 graveled |
| I | had | gravelled / 美 graveled |
|---|---|---|
| you | had | gravelled / 美 graveled |
| he/she/it | had | gravelled / 美 graveled |
| we | had | gravelled / 美 graveled |
| you | had | gravelled / 美 graveled |
| they | had | gravelled / 美 graveled |
单语范例（未经PONS编辑处理）
Below this was a bed of gravel, up to 3 metres deep.
en.wikipedia.org Municipalities would grade and gravel roads providing transportation between trading centres.
en.wikipedia.org Within its wide river bed however, the river can create gravel banks.
en.wikipedia.org Between 1956 and 1961, the road's surface was improved from gravel to metal and its course had been gradually straightened.
en.wikipedia.org The shore of the lake and at least the shallower areas are composed of sand and gravel.
en.wikipedia.org