Mobile Phones

an invention

an inventor

to invent

something that has never been made before, or the process of creating something that has never been made before  

someone who designs or creates something that did not exist before

the study and knowledge of the practical, especially industrial, use of scientific discoveries

Nokia

Motorola

LG

hasn't radically changed

has radically changed

is trying radically change

the first step in the development of modern technology

a new invention

the next extension of the previously developed technology

a computer

a telephone and radio

a telephone and a computer

in the place where you live

in the country you live in

in the city, country, world

біолог

науковець

мовознавець

plenty of choices

poor choices

very expensive models

astronomy

physics

biology

How are you?

Hi! May I talk to Steve?

Sorry. I must called the wrong number.

Hello!