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speed (n)/spiːd//spiːd/The rate at which someone or something is able to move or operate.tốc độ  What speed were you travelling at? The cheetah is known for its incredible speed, making it the fastest land animal. Adjusting the speed of the conveyor belt increased overall production efficiency. The police officer measured the car's speed using a radar gun. Từ vựng khác:sightseeing , leading , scientist , spider , away |