Englishfor English speakers
back
Preposition
—
Toward the rear.
He went back behind the stands.
—
To a place again.
I didn't like it, so I sent it back.
He went back to the same house.
They came back again.
back
Noun
—
The back is the rear part of something; it is the part in the other direction from the front.
I went to the back of the house.
—
The back is the rear part of the human body.
He had a scar on his back.
back
Verb
—
If you back something, you support it.
The Republicans backed the bill.
—
If you back up, you move backward.
He put the car in gear and backed right into the garage door.
beam
Noun
—
A beam is a line of light or energy.
A beam of sunlight came through the window making a rectangle on the floor.
—
A beam is a long straight piece of wood or metal used in building to support weight.
Inside, the ceiling of the tunnel was held up with beams and was high enough that we could stand.
beam
Verb
—
If you beam a signal from one place to another, you send it through the air.
—
If you beam, you smile and look very happy.