Englishfor English speakers
complementary
Adjective
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If something is complementary, it acts as something that complements something else.
gear
Noun
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Gear is clothing and other equipment, especially in sports.
Hurry up and get your gear on. The game's about to start.
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Gears are wheels that turn and drive other wheels at different speeds.
One of the gears from the motor had got stuck and wouldn't turn.
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A gear in a machine, especially a car or bicycle, is a particular combinations of gears.
He put the car into gear and drove off.
This bike has 24 gears, but I only use three.
Shifting into fourth gear, she pushed the car over 100 km/h.
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A gear is a speed or level that you do something at.
Everyone was working at high gear to finish before the deadline.