cube /kju:b/ n. ［c］1.方块，立方体：a sugar cube 一块糖；a cube of apple 一块苹果Please get me an ice cube out of the fridge. 请从冰箱里给我拿块冰。 2.立方，三次幂：The cube of 2 is 8. 2的3次幂是8。