Definition
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kasi
Kasi ni kiwango cha haraka au mwendo wa kitu kinachosafiri.
Speed is the rate at which an object travels or moves.
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Gari hilo lina kasi kubwa sana barabarani.
That car has a very high speed on the road.
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Wanafunzi wanahitaji kasi ya juu katika masomo yao ili kufaulu mtihani.
Students need high speed in their studies to pass the exam.
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Kasi ya mji inazidi kuongezeka kadri watu wanavyoongezeka.
The speed of the city is increasing as the population grows.