V2EX cubed

Cubed

定义 Definition

cubed(形容词/过去分词)

  1. 立方的;三次方的:表示某数或某量的三次方(\(x^3\)),或以立方单位计量(如 meters cubed = 立方米)。
  2. 切成小方块的:常用于食物(如 cubed potatoes = 切成丁的土豆)。

发音 Pronunciation

/kjubd/

例句 Examples

I measured the room in meters cubed.
我用立方米来测量这个房间的体积。

If the side length is cubed, small changes in size can lead to a much larger change in volume.
当边长取三次方时,尺寸的微小变化也可能导致体积出现更大的变化。

词源 Etymology

cubed 来自 cube(立方体/立方)+ -ed(构成过去分词/形容词)。cube 源自法语 cube,进一步来自拉丁语 cubus,最终可追溯到古希腊语 kybos(意为“骰子/方块”),体现了“方形块状物”的来源意象。

相关词 Related Words

文学与名著中的用例 Literary Works

  • The Feynman Lectures on Physics(费曼《物理学讲义》):常在公式与量纲中出现 r cubedmeters cubed 等表达。
  • A Brief History of Time(霍金《时间简史》):科普叙述中常涉及三次方关系与立方单位的写法。
  • Cosmos(卡尔萨根《宇宙》):描述空间尺度、体积与单位时常用到 “… cubed” 的立方表达。
  • Gdel, Escher, Bach(侯世达《哥德尔、艾舍尔、巴赫》):讨论数学概念与符号时常涉及幂与三次方(cubed)的表述。
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