Englishfor English speakers
exchange
Verb
—
Two people exchange two things when each person gives a thing to the other person. They can exchange two things, or they can exchange a thing for money.
The children can exchange toys so that each child has a new toy to play with.
exchange
Noun
—
An exchange is the act of exchanging.
I did well in that exchange. Now I have three good new books, and I only paid a little money.
office
Noun
—
An office is a room or building where people sit at desks and work.
Her office is in the third door on the left side of the hall.
We're meeting at the office after work.
—
A position held by public election is an office.
They both decided to run for office.
He holds the office of senator.