pond scum

listen to the pronunciation of pond scum
الإنجليزية - الإنجليزية
Any of various freshwater algae that form a usually greenish film on the surface of stagnant water
free-floating freshwater green algae
pond-scum parasite
an aquatic fungus of genus Synchytriaceae that is parasitic on pond scum
pond scum
المفضلات