My stomach churned as I stood up.

我站起身时，胃里一阵翻腾。

《柯林斯英汉双解大词典》

The recent rain had churned up the waterfall into a muddy whirlpool.

近来的雨水把那条瀑布搅成了泥水漩涡。

《柯林斯英汉双解大词典》

The quake churned up a devastating tsunami that swept over cities and farmland in the northern part of the country.

地震引发的海啸袭击了国家北部的城市和农田。

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We remember the poison gas, the moonscape of shattered trees and churned-up earth, the incompetent leadership that could imagine no way of conducting the war other than repeated frontal attacks.

WSJ: Goodbye to All That

Since the protein needed to transform 5-fluorocytosine could only be churned out by souped-up stem cells, only the gliomas were exposed to the poison, killing them but sparing normal tissue, which the stem cells ignored.

ECONOMIST: Cancer treatment

But once the rain starts pouring and the ground gets churned up, the festival-goers might just forget about fashion.

BBC: Glamming-up Glastonbury Festival