How To Use Churn up In A Sentence

This includes servicing lights, channel markers and dredging the river which is becoming increasingly shallow because not enough vessels use the port to churn up the mud.
He could clearly be seen in the distance by British soldiers each morning, bringing a small milk churn up to the enemy line. Times, Sunday Times
It's a sign of our growing affluence that often where children once rode bicycles they now churn up paths on ear-splittingly noisy motorbikes.
They can create extensions of their body wall called pseudopodia that help them locomote or capture prey or simply churn up their insides to distribute nutrients. Protozoa
He could clearly be seen in the distance by British soldiers each morning, bringing a small milk churn up to the enemy line. Times, Sunday Times

It's dead empty in the pool after work, so I can churn up and down at my own pace.
China's National Marine Environmental Forecasting Center warned Muifa could churn up 36 foot (11 meter) high waves in the East China Sea and 16 foot (five meter) waves off the coast.
As a result, the domestic herds denude the land of CO2-absorbing plants and churn up the ground with their hooves, releasing soil-sequestered carbon in the process. US Cattle Farmers Adopt Eco-Friendly Methods
And so it goes: firefights will lash the streets and bombs will churn up the pavements, and in the middle of it all, a shopper at a market will worry that her nation not be judged bad-mannered. Peace Meals
He could clearly be seen in the distance by British soldiers each morning, bringing a small milk churn up to the enemy line. Times, Sunday Times
Feral pigs churn up soil and uproot native plant species, denuding landscapes and promoting weed growth.
I just keep the insert in my freezer so it's always ready to go any time I want to churn up a new creation.
But a storm's winds can also churn up cold water if the warm pool it's blowing across is shallow enough.