Meaning: The water goes inside the water bottle until it is full.
Choice of Words: Water fills up the water bottle. "Fill up" means to make something full. A water bottle is a container for holding water.
Alternative Expressions
Water pours into my water bottle.
Meaning: This means that the water is flowing into the water bottle. It's like when you turn on the faucet and water comes out.
Choice of Words:Water is the liquid we drink and use for cleaning. Pours means to flow out of something in a steady stream. Into means to move or go inside something. My means that something belongs to you. Water bottle is a container used to hold water.
I fill my water bottle with water.
Meaning: This means that you are making the water bottle full of water. It's like when you take a pitcher of water and pour it into a glass.
Choice of Words:I means the person speaking. Fill means to make something full of something else. My means that something belongs to you. Water bottle is a container used to hold water. With means using or together with something else.