Traditional Culture Encyclopedia - Weather forecast - What does a balloon mean?

What does a balloon mean?

An expanding spherical object.

A balloon is an inflated spherical object, usually made of rubber or plastic, which can be filled with gas (such as helium or hydrogen) or liquid (such as water).

Balloons are widely used in life, such as festivals, party activities, commercial advertisements and so on. In addition, balloons can also be used for weather forecasting and scientific experiments. Balloons are also an environmentally friendly material because they can be reused and recycled.