Manta rays regularly visit "cleaning stations" where small wrasse fish clean them of parasites.

蝠鲼会定期造访“清理站”，在那里，小濑鱼会帮助它们清理身上的寄生虫。

youdao

I must clean the fish tank out.

我必须把养鱼缸彻底清洗干净。

《牛津词典》

The river was now so clean that fish swam happily in it.

现在河水很干净，鱼在里面快乐地游。

youdao

The simile pushes the size of the spear clean out of our rational comprehension, and it's this process that is, according to Stanley Fish, the point of the simile.

这个比喻对长矛的形容,大大超出了正常的理解范围，对斯坦利费什来说，这恰恰是表达这个比喻的目的的一个过程。

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By hatching its own fish, carefully controlling feed and raising fish offshore in clean water, mercury and other pollutants can be kept to extremely low levels, contends Spencer.

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Every year volunteers of the fish conservation group, Trout Unlimited, donate 500, 000 hours to clean up polluted rivers, restore fish habitat and fish populations.

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However, our state government is resisting playing its part, whereas going ahead with this cleanup would create thousands of private sector jobs as well as the benefits from clean water and better fish.

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