Polish-English translations for piana

foam
us
Thick foam floats on the surface of the river. Gruba piana utrzymuje się na powierzchni rzeki. He doesnt like so much foam in his beerA foam mat can soften a hard seat
froth
us
Froth is a very important feature of many types of coffeeThousands of African children die each day: why do the newspapers continue to discuss unnecessary showbiz froth?I like to froth my coffee for ten seconds exactly.