The beach had been washed clean by the tide.

海滩让潮水冲刷得干干净净。

《牛津词典》

Already the public agencies for adult education are swamped by the tide that has swept over them since the depression began.

大萧条开始以来，成人教育的公共机构已经被席卷而来的浪潮淹没，并且泥足深陷。

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Some of them got caught midstream by the tide.

他们中的一些被潮水困在中央了。

《柯林斯英汉双解大词典》

And side by side, in the ebbing tide, we swam through the ooze and the slime.

VOA: standard.2009.11.25

Nine adults were rescued after being cut off by the tide at Worms Head on Gower on Saturday.

BBC: Llyn Gwynant (library picture Andrew March)

One popular story in the town is that of baby Linda whose pram was washed away by the tide.

BBC: Memories of 1953 flood live on in Canvey Island

Beach rangers say some of this litter is brought in by the tide.

BBC: NEWS | UK | Wales | North East Wales | Beach faces tide and untidyness