Englishfor English speakers
stuck
—
adjective
baffled
this problem has me completely stuck
—
adjective
caught or fixed
stuck in the mud
on
Preposition
—
positioned at the upper surface of, touching from above
The apple is on the table.
—
at the date of
Tim was born on the 4th of July.
—
along, forwards (continuing an action)
drive on, rock on
—
about, dealing with the subject of
I have a book on history.
There was a World Summit on the Information Society a few weeks ago.
—
touching; hanging from
I have no money on me at the moment.
I would like to eat the fruit on the trees.
—
because of, due to
He was arrested on suspicion of bribery.
I contacted Joanne on a hunch that she would know about it.
The stock price increased on news of a new product.
on
Adjective
—
If something is on, it is active, functioning or operating.
The television is on.
The lights are on, so it is very bright.
screen
Noun
—
A screen is a flat surface for showing pictures, text or video.
The information appears on the computer screen almost right away.
I couldn't see the movie because the person in front of me was blocking the screen.
—
A screen is a flat surface between two areas, often letting something in but keeping something out.
The hole in the window screen let the bugs in.
There was a screen around my hospital bed.
screen
Verb
—
If you screen blood, people, information, etc., you find or block unwanted things.
They carefully screen the blood for viruses before giving it to hospitals.
He put on a hat to screen his eyes from the sun.
—
If you screen a movie, a TV show, etc., you put it on a screen.
They screened the new movie for the press last week.
sensor
—
noun
(= detector)
any device that receives a signal or stimulus (as heat or pressure or light or motion etc.) and responds to it in a distinctive manner