She hummed softly as she kneaded the dough.
Meaning: She was making a quiet, low sound while she was mixing and pressing the dough with her hands.
Choice of Words: Hummed means to make a low, continuous sound with your mouth closed. Softly means in a quiet or gentle way. Kneaded means to press and fold dough with your hands to mix it and make it smooth.
Alternative Expressions
Related Expressions