This is the 756th most frequent Hebrew word.
מוסיפים
"Add" or "are adding."
The word "מוסיפים" here is used in the present tense, plural, to describe an action of adding.
אנחנו מוסיפים הרבה מלח למנה הזו.
We add a lot of salt to this dish.
In this sentence, "מוסיפים" is used in a general, impersonal active voice sense in plural to indicate an addition that typically happens.
לכל סיפור מוסיפים תגובות שונות.
To every story, different responses are added.
Here, "מוסיפים" functions in a descriptive sense to convey an action of augmenting the items at the table, reflecting an ongoing, inclusive process.