Englishfor English speakers
association
Noun
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An association is a way that two things are similar, belong together, or are connected or related.
I don't see any association between what happened to you and what happened to me.
I suspect there is an association between the weather and the number who are sick.
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An association is a group of people who have a common goal or interest.
The NBA stands for the "National Basketball Association."
I have been a member of the American Psychological Association and the American Speech-Language-Hearing Association.
All the teachers were at an association meeting.
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Association is the when you associate (spend time with certain people).
I'm afraid your association with those wild people will get you in trouble.
for
Preposition
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shows that something belongs to something else, or has a specific function
This cake is for you.
This is a net for catching fish.
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For is used to show the reason for something
He was angry, for he had never been called such terrible names before.
for
Subordinator
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For introduces a clause with a subject and a to-infinitive
It's not good for you to be too relaxed.
the
Determiner
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Used, instead of a, to reference something specific, already known to exist.
Compare "I read a book." and "I read the book."
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Used with a stress, to show that the word following is special.
Are you the John Smith that I went to school with?
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Used with an adjective that acts like a noun to mean all of the people concerned
The poor are always with us.
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Used with superlatives forms of adjectives and adverbs.
You are the best.
protection
Noun
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Protection is keeping something or someone safe.
She ran away from her abusive husband to her brother for protection.
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A device used for safe sex e.g. condom.
I used protection so I wouldn't get her pregnant.
of
Preposition
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Made using.
It is a house of cards.
environment
Noun
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The environment is the natural world: forests, rivers, grasslands, oceans, etc.
We have to do more to protect the environment from pollution.
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Your environment is the situation or area that you live, work, or spend time in, including the people, buildings, vehicles, etc.
When we moved to the city, we found ourselves in a comepletely new social environment.
This course will prepare students for a career in a software engineering environment in industry or research.
The learning environment can have a large effect on your grades.