She closed the window to keep the cold air out.

Meaning: This sentence means that she moved the window covering to prevent the low-temperature air from entering.

Choice of Words: Closed means to move something so that an opening is covered. Window is an opening in a wall or roof that allows light and air to enter. Keep means to prevent something from happening. Cold means having a low temperature. Air is the invisible gas that surrounds us.

Alternative Expressions

Related Expressions