气泡 (qì pào): bong bóng

She opened the fridge, took out a bottle of cola, unscrewed the cap, and bubbles immediately rushed out with a hissing sound.

The children blew bubbles with soapy water in the yard. Colorful bubbles floated in the air, and they happily chased them.

When the goldfish swims in the tank, it blows out a string of small bubbles from its mouth. They slowly rise to the surface and pop.

This real estate market has a bubble. It's like a bubble—it looks big, but it pops with a single poke.

While swimming, I accidentally choked on a mouthful of water. A few bubbles came out of my nose, and I quickly surfaced to breathe.