http://www.pons.de/produkte/3-12-517841-X/（牛津大学出版社授权产品）
I. riffle [美 ˈrɪfəl, 英 ˈrɪf(ə)l] 动词 trans
在《PONS词典》中的词汇
在《PONS词典》中的词汇
| I | riffle |
|---|---|
| you | riffle |
| he/she/it | riffles |
| we | riffle |
| you | riffle |
| they | riffle |
| I | riffled |
|---|---|
| you | riffled |
| he/she/it | riffled |
| we | riffled |
| you | riffled |
| they | riffled |
| I | have | riffled |
|---|---|---|
| you | have | riffled |
| he/she/it | has | riffled |
| we | have | riffled |
| you | have | riffled |
| they | have | riffled |
| I | had | riffled |
|---|---|---|
| you | had | riffled |
| he/she/it | had | riffled |
| we | had | riffled |
| you | had | riffled |
| they | had | riffled |
无例句可用
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单语范例（未经PONS编辑处理）
Spawning begins when the males become territorial and seek out eddies and riffles in the head streams.
en.wikipedia.org Many were modernized with larger cabs, higher stacks, some fitted with large smoke lifters with horizontal riffles.
en.wikipedia.org They occupy gently to fast-moving riffle areas with rocky substrates.
en.wikipedia.org I would conduct these samples by using seines in shallow riffle areas with dense aquatic vegetation.
en.wikipedia.org They can be found in riffle, run, and pool habitats.
en.wikipedia.org