Englishfor English speakers
within
Preposition
—
before the time ends
We should be finished within 30 minutes.
—
not farther than
The station is within a 10 minute walk from here.
—
inside
He lives within the city walls.
power
Noun
—
energy, force, control. A quality that can make things happen.
His muscles have a lot of power.
The prime minister has power over the country.
Fight the power! (Meaning, "Fight authority!")
—
Energy or electricity.
The city had no lights that night because there was no power.
—
Power is how fast something uses energy. That is, how much work it does in a certain time.
—
A special ability that someone might have.
In comic books many heroes have amazing powers.
often shows witches as having magical powers.
—
A person or group of people with authority; that is a people who control things.
The mayor and the sheriff are the major powers in this town.
I like the idea, but the powers that be will not allow it.
power
Verb
—
To provide power for or give power to (a mechanical or electronic device).
This CD player is powered by batteries.