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.
span
—
verb
(= traverse)
to cover or extend over an area or time period
Rivers traverse the valley floor
The parking lot spans 3 acres
The novel spans three centuries
—
noun
the complete duration of something
the job was finished in the span of an hour
—
noun
the distance or interval between two points
—
noun
a unit of length based on the width of the expanded human hand (usually taken as 9 inches)
—
noun
(= bridge)
a structure that allows people or vehicles to cross an obstacle such as a river or canal or railway etc
—
noun
(= straddle)
the act of sitting or standing astride
—
noun
(= couple)
two items of the same kind