The bird flies swiftly across the sky.
Meaning: This sentence describes a situation where a bird is moving quickly through the air above the Earth's surface.
Choice of Words: Bird refers to a warm-blooded vertebrate animal that has feathers and lays eggs. Flies means moving through the air using wings. Swiftly indicates a fast and rapid manner of flying. Across is used to indicate the direction or path of the flying. Sky refers to the upper region of the Earth's atmosphere.
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Related Expressions