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speed
UK
/spiːd/
US
/spiːd/
speed up
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AI Expert
Compare “speed,” “pace,” and “velocity”: when is each word most natural?
Explore common collocations with “speed,” such as “at high speed” and “speed limit.”
Explain why “speed” is countable in “a bicycle with 21 speeds” but usually uncountable when it means how fast something moves.
Compare “speed up,” “speed through,” and “speed along” with examples.
Explain the difference between “speeding” and “speeding up” in context.
Explore the formal expression “Godspeed” and explain when it is appropriate.
Write three sentences using different meanings of “speed,” then explain which meaning each sentence conveys.
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