Englishfor English speakers
floor
Noun
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The floor is the flat part at the bottom of a room. People stand on the floor.
Don't drop your milk on the floor.
The children are sitting on the floor to play.
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A floor is a level of a building.
To get to room 302 you have to go up three floors.
heating
Noun
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The heating is the system that keeps a house or building warm.
We put new gas heating into the house to make it warmer.