The robot beeped and whirred as it worked.

Meaning: A machine that is capable of carrying out a complex series of actions automatically, especially one programmable by a computer, made a short, high-pitched sound and a low, continuous humming or buzzing sound as it performed a task or duty.

Choice of Words: Robot is a machine that is capable of carrying out a complex series of actions automatically, especially one programmable by a computer. Beeped means to make a short, high-pitched sound. Whirred means to make a low, continuous humming or buzzing sound. Worked means to perform a task or duty.

Alternative Expressions

Related Expressions

• Oven beeped, cake was perfectly cooked.
• The microwave beeped loudly, signaling food was ready.
• The robot worked tirelessly in the factory.
• Machines hummed, robots whirred.
• The washer whirred loudly, washing clothes.
• Drill whirred, soft buzzing filled air.
• The blender whirred loudly, mixing ingredients for a smoothie.
• Robots hummed, machines whirred.
• Its wheels whirred smoothly along floor.
• Sensors whirred, taking in the room.