cubes

cubes — 名詞

1. a three-dimensional shape whose six flat faces are all squares of the same size,

1.名詞A2
釋義

立方體

六面皆為相同正方形的立體形狀。

a three-dimensional shape whose six flat faces are all squares of the same size, like a dice or a sugar lump.

例句

Asher arranged twenty colored cubes on the classroom carpet to teach his daughter shapes.

Asher 在教室地毯上排了二十個彩色立方體,教女兒認識形狀。

countable plural use: 'arranged ... cubes'

Mayumi dropped two cubes of ice into her glass of warm tea.

Mayumi 把兩塊冰塊放進她那杯溫熱的茶裡。

collocation: 'cubes of ice / sugar / cheese'

同義詞
  • blocks

    more general; not required to be perfectly square

  • dice

    informal cooking word, often for vegetables or cheese

  • squares

    two-dimensional in strict use; informally for chocolate squares

文法句型

a cube of [substance]

用法筆記

Frequently appears in cooking and craft contexts with the pattern 'cubes of [food]' (cubes of cheese, ice, sugar, tofu).

常見錯誤

I want one cubes of sugar.
I want one cube of sugar.
💡use the singular 'cube' when the count is one; 'cubes' is plural.

2. in mathematics, the results you get when you multiply a number by itself and the

2.名詞B2
釋義

立方數

一數連續自乘兩次後得到的結果。

in mathematics, the results you get when you multiply a number by itself and then by itself again; for example, the cubes of 2, 3, and 4 are 8, 27, and 64.

例句

Yan asked his students to calculate the cubes of all the numbers from one to ten.

Yan 要求學生計算一到十之間每個數字的立方。

pattern: 'cubes of [numbers]'

The teacher wrote the first six cubes on the board: 1, 8, 27, 64, 125, and 216.

老師在黑板上寫下前六個立方數:1、8、27、64、125、216。

同義詞
  • third powers

    formal mathematical equivalent; less common in everyday speech

反義詞
  • cube roots

    the inverse operation: the number that, cubed, gives the target

文法句型

the cube of [number]

用法筆記

Distinguish from sense 1 (the solid shape): this sense always refers to a number resulting from cubing, and the context is mathematical.

常見錯誤

The cubes of 3 is 9.
The cube of 3 is 27.
💡the cube of n means n × n × n, not n × n; use singular when talking about one number's cube.

cubes — 動詞

cubes — 形容詞