Meaning: Opening windows allows fresh air to come into a room.
Choice of Words: Windows are openings in walls or roofs that allow light and air to enter a building. Open means not closed or blocked.
Alternative Expressions
Opening windows allows fresh air to enter the room.
Meaning: This means that when you open a window, you make it possible for new, clean air to come into the room from outside.
Choice of Words:Opening is the present participle of the verb open, which means to make an opening or to remove a barrier. Allows means to permit or let something happen. Fresh means new and not stale. Air is the invisible gas that we breathe. To enter means to come or go into a place.
If you open the windows, fresh air will come into the room.
Meaning: This means that if you open the windows, new, clean air will enter the room from outside.
Choice of Words:If is a conjunction that introduces a conditional clause. You is the subject of the sentence and refers to the person or people who are being addressed. Open is the verb and means to make an opening or to remove a barrier. The windows is the object of the verb open. Fresh means new and not stale. Air is the invisible gas that we breathe. Will come is the future tense of the verb come and means to move or travel towards a place.