Englishfor English speakers
special
Adjective
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If something is special, it is not usual; it is different or important in some way.
She is the most special person in my life.
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particularly interesting; dear; beloved; favored
investigation
Noun
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An investigation is a careful look at a crime, problem, etc. to find the truth or a solution.
Researchers were conducting further investigations into the connection between smoking and lung disease.
The cause of the fire is currently under investigation.