gyroscope
noun [ C ] uk/ˈdʒaɪ.rə.skəʊp/ us/ˈdʒaɪ.rə.skoʊp/ (also gyro)
陀螺仪，回转仪;（儿童玩具）陀螺
a device containing a wheel that spins freely within a frame, used on aircraft and ships to help keep them horizontal, and as a children's toy
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