Englishfor English speakers
specialist
Noun
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A specialist is a person who is highly skilled in one type of activity or study.
His army training had made him a bomb disposal specialist.
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A specialist is a doctor who is skilled in treating one part of the body.
It hurt so much when she swallowed food that she was sent to a throat specialist.
block
Noun
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A block is a hard piece of material, usually with six smooth sides.
When I was young, I liked building things with wooden blocks.
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A city block is the distance from one road to the next.
We have to walk about three blocks to the restaurant.
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In computers, a block is a restriction that prevents access to something.
I could not start a page on Wikipedia because of a block.
block
Verb
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If mathX/math is blocking mathY/math, then mathY/math can't go past mathX/math.
The water in the bath won't go down. There's something blocking the drain.
The road was blocked by police.
Excuse me! You're blocking my view. I can't see.
purchase
Verb
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If you purchase something, you buy it.
A licence needs to be purchased from the local authority and printing of tickets also adds to the costs.
JEB Fasteners purchased all the shares in the private company for just under $900,000.
purchase
Noun
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A purchase is a strong hold on something.
He wasn't able to get a purchase on his bag before it was pulled away from him.
and
Conjunction
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You use and to talk about two things at once.
I like singing and reading.
Mary and Jane went on a holiday together.
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You use and when you are listing a few things and you are now on your last item of the list.
I like singing, reading, cycling and playing soccer.
I used to like this girl from my class as she is pretty, gentle and caring.
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And is used when you are putting two sentences together.
She came into the store, shouted at the cashier, and left.
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Used to show what happened after something else.
The alarm went off and I woke up.
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And is used to join certain numbers together.
Two hundred and thirty-five people went missing after the earthquake.
sale
Noun
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A sale is the act of selling something.
Proceeds from the sale of the art went to the local school.
The sale of guns in Canada is tightly controlled.
Travel agents don't make money until they make a sale.
The president said the company is not for sale.
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Sales is the number or value of things sold.
The stronger economy has boosted auto sales by $650 million over last year.
Retail sales have fallen for two months in a row.
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Sales is the part of a company or industry that tries to get people to buy more.
She's now Seattle's director of marketing and sales.
I'm not the kind of person who can be successful in sales.
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A sale is a time when prices are lower than usual.
The computer store is having a sale: 50% off everything.
Milk is on sale for a dollar a litre.