V2EX tuber

Tuber

释义 Definition

tuber(名词):(植物的)块茎;一种在地下或近地表膨大的贮藏器官,用来储存养分并帮助植物繁殖(如土豆的块茎)。
(也可泛指某些植物的“块状”地下部分;不同植物学语境下范围略有差异。)

发音 Pronunciation

/tjubr/(英式常见);/tubr/(美式常见)

例句 Examples

The potato is a tuber.
土豆是一种块茎。

Many plants survive winter by storing energy in a tuber underground, which later sends up new shoots in spring.
许多植物通过把能量储存在地下的块茎里来熬过冬天,到了春天再从块茎长出新的嫩芽。

词源 Etymology

来自拉丁语 tuber,意为“隆起、肿块、结节”。后来在植物学中专指“膨大用于储存养分的部分”,逐渐固定为“块茎”的常用词。

相关词 Related Words

文学与作品 Literary Works

  • Charles Darwin On the Origin of Species(《物种起源》):讨论植物变异与驯化时,会涉及马铃薯等作物的繁殖结构与“tuber”等术语。
  • Michael Pollan The Botany of Desire(《欲望的植物学》):谈到马铃薯与人类关系时,会使用“tuber”指代块茎这一关键植物结构。
  • Andy Weir The Martian(《火星救援》):围绕“土豆”生长与生存展开的情节中,相关语境常出现“tuber”这一植物学用词。
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