Englishfor English speakers
in
Preposition
—
Used to show that something is inside something else.
The cat is in the box.
—
Used to show that someone is at home, or is available.
Is John in?
The Doctor is now in.
—
Used to show movement towards the inside.
The rain came in through the window.
extract
Noun
—
An extract is something that has been taken out of something else, usually something that it was part of.
Just because a cream contains plant extracts doesn't mean it's good for your skin.
I'll read a short extract from his speech.
Many scientists were interested in other tissue extracts.
extract
Verb
—
If you extract something, you take it out of something else.
Computers are becoming more useful in helping us extract useful information from the data.
The dentist will have to extract two of my teeth.
The roots of the plant extract water from the earth.