V2EX tree-ring

Tree-ring

定义 Definition

tree-ring树木年轮;树干横截面上每年生长形成的一圈圈纹理,常用于判断树龄、研究气候与生态变化等。(也常写作 tree ring

发音 Pronunciation (IPA)

/tri r/

例句 Examples

A tree-ring can show how old a tree is.
年轮可以显示一棵树有多大年纪。

Scientists studied tree-rings to learn about droughts that happened hundreds of years ago.
科学家研究树木年轮,以了解数百年前发生过的干旱。

词源 Etymology

这是一个复合词tree(树)+ ring(环、圈)。这里的 ring 指“环状的纹理/圈层”,用来形象描述树木每年新增的生长层在截面上呈现出一圈一圈的结构。

相关词 Related Words

文学作品 Literary Works

  • Vladimir NabokovPale Fire》(《微暗的火》)中出现过对“树木年轮/年轮般层叠痕迹”的描写与意象性用法(常见为 tree ring(s) 的写法)。
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