The phrase "blood stains" refers to marks left by blood on a surface, often representing a violent or harmful event that happened.
Sentences with «blood stains»
Pros: Location Cons: Both rooms were dirty, looked like blood stains on sheets in 1 room, leaking bathroom, air / heat didn't work right in either room. (kayak.com)
Use ice water to get rid of blood stains. (treehugger.com)
So, I am buying a house that has a large thick blood stain in the bedroom. (biggerpockets.com)