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

Clean your fish and pat dry with a kitchen towel.

把鱼洗净，用一块厨房专用的毛巾拍干。

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。

耶鲁公开课 - 弥尔顿课程节选

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.

WHITEHOUSE: Discussing the Economy in Richmond

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.

FORBES: I Killed An Elk. Am I A Murderer?

The ice was so thick and clean and glimmery that the fish and errant golf balls were happy to be frozen in it.

NPR: Chapter 1