Literal:
* The child blew a bubble with their gum.
* The soap bubble floated gently in the air before popping.
* The diver rose from the depths, surrounded by a shimmering bubble of air.
Figurative:
* He lived in a bubble of privilege, unaware of the struggles of the real world.
* The economy is in a bubble, with inflated prices and unsustainable growth.
* She felt like her world had burst into a million pieces, like a broken bubble.
Technical:
* The bubble on the graph represents the peak of the market.
* The scientist studied the formation of bubbles in the liquid.
* We need to reduce the bubbles in the pipeline to increase efficiency.
You can choose the sentence that best suits your context and meaning.