V2EX plumbline

Plumbline

Definition / 释义

plumbline(plumb line)铅垂线;垂线。一种带重锤的细绳,用来检验墙体、柱子等是否垂直,也可引申指“衡量标准、检验准则”(较文学/比喻用法)。

Pronunciation / 发音

/plm.lan/

Examples / 例句

The carpenter used a plumbline to check if the post was straight.
木匠用铅垂线检查柱子是否垂直。

In restoration work, a plumbline and a level help ensure the old walls remain true, even when the floor has shifted over time.
在修复工程中,铅垂线和水平仪能帮助确保老墙依然保持垂直与端正,即使地面随着时间发生了位移。

Etymology / 词源

plumb 原指“铅(lead)”,因为传统垂球常用铅制成;line 指“线”。合起来就是“带铅坠的线”,用于确定“垂直(plumb)”方向。后来也发展出比喻义:像“垂线”一样用来校正与衡量。

Related Words / 相关词

Literary Works / 文学作品中的用例

  • 《圣经阿摩司书》Amos 7:78:出现 plumbline / plumb line(上帝以“垂线”象征审判与衡量的标准)。
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