Question

The first radios began in the 1920s.At that ti

The first radios began in the 1920s.At that time the sound was very poor.So people had to listen on headphones. Televisions began in the 1930s.Is was black and white.In the 1960s，The TV programes began to have colour.能帮我翻释一下吗？

Answer 1

第一个收音机开始于1920年代。那时候很穷。所以人们必须监听耳机。电视开始于1930年代。是黑色和白色。在1960年代,电视节目开始有颜色。