Englishfor English speakers
flight
Noun
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Flight is the act of flying: moving through the air using wings.
Birds have had flight for millions of years.
The flight of the bird was beautiful.
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A flight is one trip on an airplane.
The flight to Boston leaves soon.
This flight is going to New York.
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Flight is the act of running away and hiding.
The flight of the man just after the crime made the police think he was guilty.
emergency
Noun
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An emergency is a serious situation that needs to be dealt with very quickly.
She called 911 to report the emergency to police.
With the new fighting, the president has declared a state of emergency.
He was rushed to the emergency room where doctors operated to save his life.
Some airlines failed to show pilots how to operate emergency exits.
In an emergency, please close your doors and windows and stay calm.
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Emergency is the department in a hospital that takes people with immediate medial needs.
circumstance
Noun
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The circumstances surrounding an action or event includes all the information that helps you understand the action or event.
Though war is a terrible thing, it is necessary under certain circumstances.
Given the circumstances, I think we need to be flexible.
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Circumstance is the events that affect you but that you cannot control.
We hadn't planned it, but we ended up together by circumstance.