
CBE 3.06 | The invention of the telephone | Language focus: phrasal verbs with ‘up’
Learn English with Coffee Break English
00:00
The History of the Telephone
Alexander grean bale invented the world's first telephone. He dreamed up a simple machine to speed up the husking of corn in his friend's prudence. Now we use our phones to take photos, look up information on the internet and play music.
Transcript
Play full episode