Make the sentence fluent: At that point, Trevor Baylis came up with the idea of wind-up radio, making idea of broadcasting education possible.
The idea of a radio station broadcasting a radio program was first proposed in 1920, but it was not until 1921 that the first radio station was established in, which was founded by, a, and, a, a, a,,,,,,,,,,,,,,,,,,,,
At that point, the idea of radio was born.
- The first time I heard the word "radio" I thought it was a joke.
- The first time I heard the word "radio" I thought it was a joke.
- The first time I heard the word "radio" I thought it was a joke.
- The first time I heard the word "radio" I thought it was a joke.
- The first time I heard the word "radio" I