cube
UK/kju:b/US
IELTSTOEFL高考四级六级考研B2
释义
n.
A solid object with six equal square faces.
立方体；六面相等的正方体。
n.
The product of a number multiplied by itself twice; the third power of a number.
立方数；一个数的三次方。
v.
To raise (a number) to the third power; to cut (food) into small cubes.
（使）成三次方；把（食物）切成小方块。
词根拆分
词根派生=cube
源自希腊语 kybos（六面骰子），经拉丁语 cubus。这个形状本身就是词根。它的数学义（n³）来自体积：立方体体积是 边×边×边，所以「立方」一个数就是把它相乘三次。
词根 kub 还连着 3 个词常用搭配
- 1.ice cube冰块
- 2.sugar cube方糖
- 3.Rubik's cube魔方
- 4.the cube of……的立方
例句
- 1.
She dropped a few ice cubes into her drink.
她往饮料里放了几块冰。
- 2.
The cube of 3 is 27.
3 的立方是 27。
- 3.
Cube the potatoes before roasting them.
把土豆切成小方块再烤。
- 4.
He solved the Rubik's cube in under a minute.
他在一分钟内还原了魔方。