churns
A churn is a container which is used for making butter.
churn out
To churn out something means to produce large quantities of it very quickly.
He began to churn out literary compositions in English.
他开始用英文很快地创作出大量的文学作品。
churn up
Churn up means the same as churn.
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。
Occasionally dolphins slap the water with their tails or churn it up in play.
海豚偶尔会用它们的尾巴拍打海水或剧烈地翻腾海水嬉戏玩耍。
churns , churning , churned
If something churns water, mud, or dust, it moves it about violently.
dirt roads now churned into mud by the annual rains.
土路现在被一年一度的雨水搅和得一片泥泞。
If you say that your stomach is churning, you mean that you feel sick. You can also say that something churns your stomach.
My stomach churned as I stood up.
我站起身时,胃里一阵翻腾。