Fly
/flˈaɪ/
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Definition
(noun) Any insect of the order Diptera; characterized by having two wings (except for some wingless species), also called true flies.
Sentence Examples
When you're enjoying yourself, the time seems to fly by.
Some of the birds didn't fly.
CEFR Practice Quiz
The small aircraft began to ____ low over the fields, spraying crops with essential nutrients.